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Finding the Fourth Proportional to 616,217.14, 850,373.80 and 344,331.87

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Solution

The fourth proportional to 616,217.14, 850,373.80 and 344,331.87 is: 475,174.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,217.14 : 850,373.80 = 344,331.87 : x
  2. Step 2: Convert to fraction form
    616,217.14/850,373.80 = 344,331.87/x
  3. Step 3: Cross multiply
    616,217.14x = 850,373.80 × 344,331.87
  4. Step 4: Simplify right side
    616,217.14x = 292,810,800,753.01
  5. Step 5: Solve for x
    x = 292,810,800,753.01/616,217.14
  6. Step 6: Final answer
    x = 475,174.71

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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.