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Finding the Fourth Proportional to 627,620.88, 866,121.96 and 341,141.04

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Solution

The fourth proportional to 627,620.88, 866,121.96 and 341,141.04 is: 470,777.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,620.88 : 866,121.96 = 341,141.04 : x
  2. Step 2: Convert to fraction form
    627,620.88/866,121.96 = 341,141.04/x
  3. Step 3: Cross multiply
    627,620.88x = 866,121.96 × 341,141.04
  4. Step 4: Simplify right side
    627,620.88x = 295,469,746,201.24
  5. Step 5: Solve for x
    x = 295,469,746,201.24/627,620.88
  6. Step 6: Final answer
    x = 470,777.43

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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.