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Finding the Fourth Proportional to 627,876.74, 866,480.73 and 341,398.76

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Solution

The fourth proportional to 627,876.74, 866,480.73 and 341,398.76 is: 471,136.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,876.74 : 866,480.73 = 341,398.76 : x
  2. Step 2: Convert to fraction form
    627,876.74/866,480.73 = 341,398.76/x
  3. Step 3: Cross multiply
    627,876.74x = 866,480.73 × 341,398.76
  4. Step 4: Simplify right side
    627,876.74x = 295,815,446,785.90
  5. Step 5: Solve for x
    x = 295,815,446,785.90/627,876.74
  6. Step 6: Final answer
    x = 471,136.18

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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.