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Finding the Fourth Proportional to 344,974.88, 517,425.91 and 92,280.87

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Solution

The fourth proportional to 344,974.88, 517,425.91 and 92,280.87 is: 138,411.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,974.88 : 517,425.91 = 92,280.87 : x
  2. Step 2: Convert to fraction form
    344,974.88/517,425.91 = 92,280.87/x
  3. Step 3: Cross multiply
    344,974.88x = 517,425.91 × 92,280.87
  4. Step 4: Simplify right side
    344,974.88x = 47,748,512,904.64
  5. Step 5: Solve for x
    x = 47,748,512,904.64/344,974.88
  6. Step 6: Final answer
    x = 138,411.56

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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.