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Finding the Fourth Proportional to 416,873.52, 625,244.94 and 132,526.80

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Solution

The fourth proportional to 416,873.52, 625,244.94 and 132,526.80 is: 198,769.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,873.52 : 625,244.94 = 132,526.80 : x
  2. Step 2: Convert to fraction form
    416,873.52/625,244.94 = 132,526.80/x
  3. Step 3: Cross multiply
    416,873.52x = 625,244.94 × 132,526.80
  4. Step 4: Simplify right side
    416,873.52x = 82,861,711,114.39
  5. Step 5: Solve for x
    x = 82,861,711,114.39/416,873.52
  6. Step 6: Final answer
    x = 198,769.43

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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.