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Finding the Fourth Proportional to 344,974.76, 517,425.78 and 92,280.78

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Solution

The fourth proportional to 344,974.76, 517,425.78 and 92,280.78 is: 138,411.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,974.76 : 517,425.78 = 92,280.78 : x
  2. Step 2: Convert to fraction form
    344,974.76/517,425.78 = 92,280.78/x
  3. Step 3: Cross multiply
    344,974.76x = 517,425.78 × 92,280.78
  4. Step 4: Simplify right side
    344,974.76x = 47,748,454,570.51
  5. Step 5: Solve for x
    x = 47,748,454,570.51/344,974.76
  6. Step 6: Final answer
    x = 138,411.44

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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.