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Finding the Fourth Proportional to 568,524.91, 784,562.20 and 313,874.27

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Solution

The fourth proportional to 568,524.91, 784,562.20 and 313,874.27 is: 433,145.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,524.91 : 784,562.20 = 313,874.27 : x
  2. Step 2: Convert to fraction form
    568,524.91/784,562.20 = 313,874.27/x
  3. Step 3: Cross multiply
    568,524.91x = 784,562.20 × 313,874.27
  4. Step 4: Simplify right side
    568,524.91x = 246,253,887,794.59
  5. Step 5: Solve for x
    x = 246,253,887,794.59/568,524.91
  6. Step 6: Final answer
    x = 433,145.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.