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Finding the Fourth Proportional to 576,899.67, 796,104.78 and 318,772.52

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Solution

The fourth proportional to 576,899.67, 796,104.78 and 318,772.52 is: 439,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,899.67 : 796,104.78 = 318,772.52 : x
  2. Step 2: Convert to fraction form
    576,899.67/796,104.78 = 318,772.52/x
  3. Step 3: Cross multiply
    576,899.67x = 796,104.78 × 318,772.52
  4. Step 4: Simplify right side
    576,899.67x = 253,776,321,330.26
  5. Step 5: Solve for x
    x = 253,776,321,330.26/576,899.67
  6. Step 6: Final answer
    x = 439,896.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.