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Finding the Fourth Proportional to 482,906.61, 724,375.17 and 230,214.69

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Solution

The fourth proportional to 482,906.61, 724,375.17 and 230,214.69 is: 345,329.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,906.61 : 724,375.17 = 230,214.69 : x
  2. Step 2: Convert to fraction form
    482,906.61/724,375.17 = 230,214.69/x
  3. Step 3: Cross multiply
    482,906.61x = 724,375.17 × 230,214.69
  4. Step 4: Simplify right side
    482,906.61x = 166,761,805,205.25
  5. Step 5: Solve for x
    x = 166,761,805,205.25/482,906.61
  6. Step 6: Final answer
    x = 345,329.31

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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.