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Finding the Fourth Proportional to 638,508.96, 959,862.96 and 592,319.52

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Solution

The fourth proportional to 638,508.96, 959,862.96 and 592,319.52 is: 890,426.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,508.96 : 959,862.96 = 592,319.52 : x
  2. Step 2: Convert to fraction form
    638,508.96/959,862.96 = 592,319.52/x
  3. Step 3: Cross multiply
    638,508.96x = 959,862.96 × 592,319.52
  4. Step 4: Simplify right side
    638,508.96x = 568,545,567,732.98
  5. Step 5: Solve for x
    x = 568,545,567,732.98/638,508.96
  6. Step 6: Final answer
    x = 890,426.92

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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.