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Finding the Fourth Proportional to 627,874.24, 866,477.28 and 341,396.26

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Solution

The fourth proportional to 627,874.24, 866,477.28 and 341,396.26 is: 471,132.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,874.24 : 866,477.28 = 341,396.26 : x
  2. Step 2: Convert to fraction form
    627,874.24/866,477.28 = 341,396.26/x
  3. Step 3: Cross multiply
    627,874.24x = 866,477.28 × 341,396.26
  4. Step 4: Simplify right side
    627,874.24x = 295,812,102,766.97
  5. Step 5: Solve for x
    x = 295,812,102,766.97/627,874.24
  6. Step 6: Final answer
    x = 471,132.73

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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.