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Finding the Fourth Proportional to 627,892.60, 866,468.08 and 341,402.80

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Solution

The fourth proportional to 627,892.60, 866,468.08 and 341,402.80 is: 471,122.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,892.60 : 866,468.08 = 341,402.80 : x
  2. Step 2: Convert to fraction form
    627,892.60/866,468.08 = 341,402.80/x
  3. Step 3: Cross multiply
    627,892.60x = 866,468.08 × 341,402.80
  4. Step 4: Simplify right side
    627,892.60x = 295,814,628,622.62
  5. Step 5: Solve for x
    x = 295,814,628,622.62/627,892.60
  6. Step 6: Final answer
    x = 471,122.97

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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.