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Finding the Fourth Proportional to 344,972.76, 517,422.78 and 92,278.77

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Solution

The fourth proportional to 344,972.76, 517,422.78 and 92,278.77 is: 138,408.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,972.76 : 517,422.78 = 92,278.77 : x
  2. Step 2: Convert to fraction form
    344,972.76/517,422.78 = 92,278.77/x
  3. Step 3: Cross multiply
    344,972.76x = 517,422.78 × 92,278.77
  4. Step 4: Simplify right side
    344,972.76x = 47,747,137,708.38
  5. Step 5: Solve for x
    x = 47,747,137,708.38/344,972.76
  6. Step 6: Final answer
    x = 138,408.43

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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.