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Finding the Fourth Proportional to 417,238.98, 625,907.34 and 132,829.92

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Solution

The fourth proportional to 417,238.98, 625,907.34 and 132,829.92 is: 199,260.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,238.98 : 625,907.34 = 132,829.92 : x
  2. Step 2: Convert to fraction form
    417,238.98/625,907.34 = 132,829.92/x
  3. Step 3: Cross multiply
    417,238.98x = 625,907.34 × 132,829.92
  4. Step 4: Simplify right side
    417,238.98x = 83,139,221,899.61
  5. Step 5: Solve for x
    x = 83,139,221,899.61/417,238.98
  6. Step 6: Final answer
    x = 199,260.44

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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.