In this task, you will be given a list of numbers. The goal is to divide all the numbers in the list by a constant such that the sum of the resulting list is 1. The output should be rounded to 3 decimals.

[-90.478, 206.887]
[-0.777  1.777]

[128.101, 16.516, 246.993, 104.335, -69.747, 238.429, -26.383]
[ 0.201  0.026  0.387  0.163 -0.109  0.374 -0.041]

[172.473, -83.926, 117.644, 17.267, 46.424, 125.287, 30.796]

[ 0.405 -0.197  0.276  0.041  0.109  0.294  0.072]