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Finding the Fourth Proportional to 627,593.19, 866,079.71 and 341,112.52

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Solution

The fourth proportional to 627,593.19, 866,079.71 and 341,112.52 is: 470,735.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,593.19 : 866,079.71 = 341,112.52 : x
  2. Step 2: Convert to fraction form
    627,593.19/866,079.71 = 341,112.52/x
  3. Step 3: Cross multiply
    627,593.19x = 866,079.71 × 341,112.52
  4. Step 4: Simplify right side
    627,593.19x = 295,430,632,398.97
  5. Step 5: Solve for x
    x = 295,430,632,398.97/627,593.19
  6. Step 6: Final answer
    x = 470,735.88

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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.