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Finding the Fourth Proportional to 417,227.98, 625,890.83 and 132,818.88

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Solution

The fourth proportional to 417,227.98, 625,890.83 and 132,818.88 is: 199,243.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,227.98 : 625,890.83 = 132,818.88 : x
  2. Step 2: Convert to fraction form
    417,227.98/625,890.83 = 132,818.88/x
  3. Step 3: Cross multiply
    417,227.98x = 625,890.83 × 132,818.88
  4. Step 4: Simplify right side
    417,227.98x = 83,130,119,042.87
  5. Step 5: Solve for x
    x = 83,130,119,042.87/417,227.98
  6. Step 6: Final answer
    x = 199,243.87

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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.