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Finding the Fourth Proportional to 627,963.33, 866,672.16 and 610,864.44

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Solution

The fourth proportional to 627,963.33, 866,672.16 and 610,864.44 is: 843,073.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,963.33 : 866,672.16 = 610,864.44 : x
  2. Step 2: Convert to fraction form
    627,963.33/866,672.16 = 610,864.44/x
  3. Step 3: Cross multiply
    627,963.33x = 866,672.16 × 610,864.44
  4. Step 4: Simplify right side
    627,963.33x = 529,419,198,141.23
  5. Step 5: Solve for x
    x = 529,419,198,141.23/627,963.33
  6. Step 6: Final answer
    x = 843,073.42

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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.