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Finding the Fourth Proportional to 576,842.68, 865,806.72 and 292,737.16

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Solution

The fourth proportional to 576,842.68, 865,806.72 and 292,737.16 is: 439,381.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,842.68 : 865,806.72 = 292,737.16 : x
  2. Step 2: Convert to fraction form
    576,842.68/865,806.72 = 292,737.16/x
  3. Step 3: Cross multiply
    576,842.68x = 865,806.72 × 292,737.16
  4. Step 4: Simplify right side
    576,842.68x = 253,453,800,321.72
  5. Step 5: Solve for x
    x = 253,453,800,321.72/576,842.68
  6. Step 6: Final answer
    x = 439,381.15

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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.