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Finding the Fourth Proportional to 576,862.68, 865,836.72 and 292,757.16

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Solution

The fourth proportional to 576,862.68, 865,836.72 and 292,757.16 is: 439,411.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,862.68 : 865,836.72 = 292,757.16 : x
  2. Step 2: Convert to fraction form
    576,862.68/865,836.72 = 292,757.16/x
  3. Step 3: Cross multiply
    576,862.68x = 865,836.72 × 292,757.16
  4. Step 4: Simplify right side
    576,862.68x = 253,479,899,170.92
  5. Step 5: Solve for x
    x = 253,479,899,170.92/576,862.68
  6. Step 6: Final answer
    x = 439,411.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.