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.

Example Input: [230.765, 236.308, -91.816, 143.148]
Example Output: [ 0.445  0.456 -0.177  0.276]

Example Input: [216.424, 156.654, -71.054, 170.474, 47.55, -14.294, -42.849]
Example Output: [ 0.468  0.338 -0.153  0.368  0.103 -0.031 -0.093]

Example Input: [212.488, 173.438, -88.544, 152.526, -21.513, -68.928]
Example Output:
[ 0.591  0.482 -0.246  0.424 -0.06  -0.192]