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Finding the Fourth Proportional to 417,230.36, 625,894.39 and 132,821.27

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Solution

The fourth proportional to 417,230.36, 625,894.39 and 132,821.27 is: 199,247.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,230.36 : 625,894.39 = 132,821.27 : x
  2. Step 2: Convert to fraction form
    417,230.36/625,894.39 = 132,821.27/x
  3. Step 3: Cross multiply
    417,230.36x = 625,894.39 × 132,821.27
  4. Step 4: Simplify right side
    417,230.36x = 83,132,087,149.33
  5. Step 5: Solve for x
    x = 83,132,087,149.33/417,230.36
  6. Step 6: Final answer
    x = 199,247.46

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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.