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Finding the Fourth Proportional to 332,600.70, 498,791.70 and 122,211.30

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Solution

The fourth proportional to 332,600.70, 498,791.70 and 122,211.30 is: 183,276.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,600.70 : 498,791.70 = 122,211.30 : x
  2. Step 2: Convert to fraction form
    332,600.70/498,791.70 = 122,211.30/x
  3. Step 3: Cross multiply
    332,600.70x = 498,791.70 × 122,211.30
  4. Step 4: Simplify right side
    332,600.70x = 60,957,982,086.21
  5. Step 5: Solve for x
    x = 60,957,982,086.21/332,600.70
  6. Step 6: Final answer
    x = 183,276.77

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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.