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Finding the Fourth Proportional to 627,747.66, 866,255 and 341,265.24

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Solution

The fourth proportional to 627,747.66, 866,255 and 341,265.24 is: 470,926.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,747.66 : 866,255 = 341,265.24 : x
  2. Step 2: Convert to fraction form
    627,747.66/866,255 = 341,265.24/x
  3. Step 3: Cross multiply
    627,747.66x = 866,255 × 341,265.24
  4. Step 4: Simplify right side
    627,747.66x = 295,622,720,476.20
  5. Step 5: Solve for x
    x = 295,622,720,476.20/627,747.66
  6. Step 6: Final answer
    x = 470,926.04

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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.