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Julian jogs 222 kilometers east, 444 kilometers north, and then 777 kilometers west.

How far is Julian from his starting position, to the nearest tenth of a kilometer?

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sqdancefan
Julian's final position is 5 km west and 4 km north of his starting position. The straight-line distance is given by the Pythagorean theorem:
   distance = √(5² +4²) = √(25 +16) = √41 ≈ 6.4

Julian is about 6.4 km from his starting position.
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