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Finding the Fourth Proportional to 417,179.25, 625,561.85 and 132,832.76

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Solution

The fourth proportional to 417,179.25, 625,561.85 and 132,832.76 is: 199,183.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,179.25 : 625,561.85 = 132,832.76 : x
  2. Step 2: Convert to fraction form
    417,179.25/625,561.85 = 132,832.76/x
  3. Step 3: Cross multiply
    417,179.25x = 625,561.85 × 132,832.76
  4. Step 4: Simplify right side
    417,179.25x = 83,095,103,294.23
  5. Step 5: Solve for x
    x = 83,095,103,294.23/417,179.25
  6. Step 6: Final answer
    x = 199,183.21

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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.