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Finding the Fourth Proportional to 416,909.49, 625,357.63 and 132,595.94

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Solution

The fourth proportional to 416,909.49, 625,357.63 and 132,595.94 is: 198,891.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,909.49 : 625,357.63 = 132,595.94 : x
  2. Step 2: Convert to fraction form
    416,909.49/625,357.63 = 132,595.94/x
  3. Step 3: Cross multiply
    416,909.49x = 625,357.63 × 132,595.94
  4. Step 4: Simplify right side
    416,909.49x = 82,919,882,786.02
  5. Step 5: Solve for x
    x = 82,919,882,786.02/416,909.49
  6. Step 6: Final answer
    x = 198,891.81

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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.