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Finding the Fourth Proportional to 344,976.76, 517,428.78 and 92,282.78

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Solution

The fourth proportional to 344,976.76, 517,428.78 and 92,282.78 is: 138,414.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,976.76 : 517,428.78 = 92,282.78 : x
  2. Step 2: Convert to fraction form
    344,976.76/517,428.78 = 92,282.78/x
  3. Step 3: Cross multiply
    344,976.76x = 517,428.78 × 92,282.78
  4. Step 4: Simplify right side
    344,976.76x = 47,749,766,270.41
  5. Step 5: Solve for x
    x = 47,749,766,270.41/344,976.76
  6. Step 6: Final answer
    x = 138,414.44

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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.