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Finding the Fourth Proportional to 568,966.92, 785,196.90 and 327,249.20

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Solution

The fourth proportional to 568,966.92, 785,196.90 and 327,249.20 is: 451,616.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,966.92 : 785,196.90 = 327,249.20 : x
  2. Step 2: Convert to fraction form
    568,966.92/785,196.90 = 327,249.20/x
  3. Step 3: Cross multiply
    568,966.92x = 785,196.90 × 327,249.20
  4. Step 4: Simplify right side
    568,966.92x = 256,955,057,367.48
  5. Step 5: Solve for x
    x = 256,955,057,367.48/568,966.92
  6. Step 6: Final answer
    x = 451,616.87

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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.