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Finding the Fourth Proportional to 627,773.44, 866,344.44 and 341,312.80

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Solution

The fourth proportional to 627,773.44, 866,344.44 and 341,312.80 is: 471,020.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,773.44 : 866,344.44 = 341,312.80 : x
  2. Step 2: Convert to fraction form
    627,773.44/866,344.44 = 341,312.80/x
  3. Step 3: Cross multiply
    627,773.44x = 866,344.44 × 341,312.80
  4. Step 4: Simplify right side
    627,773.44x = 295,694,446,580.83
  5. Step 5: Solve for x
    x = 295,694,446,580.83/627,773.44
  6. Step 6: Final answer
    x = 471,020.96

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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.