The numbers that add up to 1,260 but remain in the same proportion as the numbers that add to 900 are 90, 135, 180, 225 and 270
How to determine the numbers
From the list of numbers, we have the following equation
900 = 90 + 135 + 180 +225 + 270
The above equation means that:
The sum of 90, 135, 180, 225 and 270 equals 900
When 270 and 90 are added to the equation, it gives 1260
Hence, the numbers that add up to 1,260 are 90, 135, 180, 225 and 270
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