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Finding the Fourth Proportional to 416,919.54, 625,372.62 and 132,605.96

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Solution

The fourth proportional to 416,919.54, 625,372.62 and 132,605.96 is: 198,906.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,919.54 : 625,372.62 = 132,605.96 : x
  2. Step 2: Convert to fraction form
    416,919.54/625,372.62 = 132,605.96/x
  3. Step 3: Cross multiply
    416,919.54x = 625,372.62 × 132,605.96
  4. Step 4: Simplify right side
    416,919.54x = 82,928,136,632.82
  5. Step 5: Solve for x
    x = 82,928,136,632.82/416,919.54
  6. Step 6: Final answer
    x = 198,906.81

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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.