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Finding the Fourth Proportional to 627,876.28, 866,467.29 and 341,397.10

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Solution

The fourth proportional to 627,876.28, 866,467.29 and 341,397.10 is: 471,126.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,876.28 : 866,467.29 = 341,397.10 : x
  2. Step 2: Convert to fraction form
    627,876.28/866,467.29 = 341,397.10/x
  3. Step 3: Cross multiply
    627,876.28x = 866,467.29 × 341,397.10
  4. Step 4: Simplify right side
    627,876.28x = 295,809,420,050.86
  5. Step 5: Solve for x
    x = 295,809,420,050.86/627,876.28
  6. Step 6: Final answer
    x = 471,126.92

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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.