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Finding the Fourth Proportional to 627,877.24, 866,481.42 and 341,399.26

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Solution

The fourth proportional to 627,877.24, 866,481.42 and 341,399.26 is: 471,136.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,877.24 : 866,481.42 = 341,399.26 : x
  2. Step 2: Convert to fraction form
    627,877.24/866,481.42 = 341,399.26/x
  3. Step 3: Cross multiply
    627,877.24x = 866,481.42 × 341,399.26
  4. Step 4: Simplify right side
    627,877.24x = 295,816,115,591.75
  5. Step 5: Solve for x
    x = 295,816,115,591.75/627,877.24
  6. Step 6: Final answer
    x = 471,136.87

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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.