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Finding the Fourth Proportional to 576,866.68, 865,842.72 and 292,761.16

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Solution

The fourth proportional to 576,866.68, 865,842.72 and 292,761.16 is: 439,417.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,866.68 : 865,842.72 = 292,761.16 : x
  2. Step 2: Convert to fraction form
    576,866.68/865,842.72 = 292,761.16/x
  3. Step 3: Cross multiply
    576,866.68x = 865,842.72 × 292,761.16
  4. Step 4: Simplify right side
    576,866.68x = 253,485,119,084.76
  5. Step 5: Solve for x
    x = 253,485,119,084.76/576,866.68
  6. Step 6: Final answer
    x = 439,417.16

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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.