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Finding the Fourth Proportional to 627,536, 866,000.96 and 344,912

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Solution

The fourth proportional to 627,536, 866,000.96 and 344,912 is: 475,979.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,536 : 866,000.96 = 344,912 : x
  2. Step 2: Convert to fraction form
    627,536/866,000.96 = 344,912/x
  3. Step 3: Cross multiply
    627,536x = 866,000.96 × 344,912
  4. Step 4: Simplify right side
    627,536x = 298,694,123,115.52
  5. Step 5: Solve for x
    x = 298,694,123,115.52/627,536
  6. Step 6: Final answer
    x = 475,979.26

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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.