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: [-43.629, 123.469, -79.775, 197.631]
Example Output: [-0.221  0.625 -0.404  1.   ]

Example Input: [35.983, 105.2, 194.615]
Example Output: [0.107 0.313 0.58 ]

Example Input: [246.939, -77.821, 204.012]
Example Output:
[ 0.662 -0.209  0.547]