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Finding the Fourth Proportional to 568,195.44, 851,481 and 417,251.76

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Solution

The fourth proportional to 568,195.44, 851,481 and 417,251.76 is: 625,281.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,195.44 : 851,481 = 417,251.76 : x
  2. Step 2: Convert to fraction form
    568,195.44/851,481 = 417,251.76/x
  3. Step 3: Cross multiply
    568,195.44x = 851,481 × 417,251.76
  4. Step 4: Simplify right side
    568,195.44x = 355,281,945,856.56
  5. Step 5: Solve for x
    x = 355,281,945,856.56/568,195.44
  6. Step 6: Final answer
    x = 625,281.23

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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.