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Finding the Fourth Proportional to 408,750, 613,217.27 and 124,465.97

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Solution

The fourth proportional to 408,750, 613,217.27 and 124,465.97 is: 186,727.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,750 : 613,217.27 = 124,465.97 : x
  2. Step 2: Convert to fraction form
    408,750/613,217.27 = 124,465.97/x
  3. Step 3: Cross multiply
    408,750x = 613,217.27 × 124,465.97
  4. Step 4: Simplify right side
    408,750x = 76,324,682,331.30
  5. Step 5: Solve for x
    x = 76,324,682,331.30/408,750
  6. Step 6: Final answer
    x = 186,727.05

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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.