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Finding the Fourth Proportional to 416,908.12, 625,355.57 and 132,594.56

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Solution

The fourth proportional to 416,908.12, 625,355.57 and 132,594.56 is: 198,889.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,908.12 : 625,355.57 = 132,594.56 : x
  2. Step 2: Convert to fraction form
    416,908.12/625,355.57 = 132,594.56/x
  3. Step 3: Cross multiply
    416,908.12x = 625,355.57 × 132,594.56
  4. Step 4: Simplify right side
    416,908.12x = 82,918,748,542.57
  5. Step 5: Solve for x
    x = 82,918,748,542.57/416,908.12
  6. Step 6: Final answer
    x = 198,889.74

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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.