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Finding the Fourth Proportional to 422,262.60, 633,397.98 and 337,812.96

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Solution

The fourth proportional to 422,262.60, 633,397.98 and 337,812.96 is: 506,722.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,262.60 : 633,397.98 = 337,812.96 : x
  2. Step 2: Convert to fraction form
    422,262.60/633,397.98 = 337,812.96/x
  3. Step 3: Cross multiply
    422,262.60x = 633,397.98 × 337,812.96
  4. Step 4: Simplify right side
    422,262.60x = 213,970,046,481.82
  5. Step 5: Solve for x
    x = 213,970,046,481.82/422,262.60
  6. Step 6: Final answer
    x = 506,722.70

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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.