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.

[19.761, -68.809, 38.9]
[-1.947  6.781 -3.833]

[123.275, 156.341, 242.486]
[0.236 0.299 0.464]

[134.782, 94.082, -92.412, 8.53, 248.655, -79.464, 155.041]

[ 0.287  0.201 -0.197  0.018  0.53  -0.169  0.33 ]