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Finding the Fourth Proportional to 592,793.46, 817,978.68 and 338,129.46

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Solution

The fourth proportional to 592,793.46, 817,978.68 and 338,129.46 is: 466,575.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,793.46 : 817,978.68 = 338,129.46 : x
  2. Step 2: Convert to fraction form
    592,793.46/817,978.68 = 338,129.46/x
  3. Step 3: Cross multiply
    592,793.46x = 817,978.68 × 338,129.46
  4. Step 4: Simplify right side
    592,793.46x = 276,582,689,359.91
  5. Step 5: Solve for x
    x = 276,582,689,359.91/592,793.46
  6. Step 6: Final answer
    x = 466,575.14

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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.