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Finding the Fourth Proportional to 332,572.30, 499,231.61 and 133,031.80

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Solution

The fourth proportional to 332,572.30, 499,231.61 and 133,031.80 is: 199,696.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,572.30 : 499,231.61 = 133,031.80 : x
  2. Step 2: Convert to fraction form
    332,572.30/499,231.61 = 133,031.80/x
  3. Step 3: Cross multiply
    332,572.30x = 499,231.61 × 133,031.80
  4. Step 4: Simplify right side
    332,572.30x = 66,413,679,695.20
  5. Step 5: Solve for x
    x = 66,413,679,695.20/332,572.30
  6. Step 6: Final answer
    x = 199,696.97

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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.