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Finding the Fourth Proportional to 332,593.70, 498,781.20 and 122,204.30

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Solution

The fourth proportional to 332,593.70, 498,781.20 and 122,204.30 is: 183,266.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,593.70 : 498,781.20 = 122,204.30 : x
  2. Step 2: Convert to fraction form
    332,593.70/498,781.20 = 122,204.30/x
  3. Step 3: Cross multiply
    332,593.70x = 498,781.20 × 122,204.30
  4. Step 4: Simplify right side
    332,593.70x = 60,953,207,399.16
  5. Step 5: Solve for x
    x = 60,953,207,399.16/332,593.70
  6. Step 6: Final answer
    x = 183,266.27

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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.