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Finding the Fourth Proportional to 274,906,959.90, 412,360,439.85 and 274,906,959.90

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Solution

The fourth proportional to 274,906,959.90, 412,360,439.85 and 274,906,959.90 is: 412,360,439.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,906,959.90 : 412,360,439.85 = 274,906,959.90 : x
  2. Step 2: Convert to fraction form
    274,906,959.90/412,360,439.85 = 274,906,959.90/x
  3. Step 3: Cross multiply
    274,906,959.90x = 412,360,439.85 × 274,906,959.90
  4. Step 4: Simplify right side
    274,906,959.90x = 113,360,754,902,190,304
  5. Step 5: Solve for x
    x = 113,360,754,902,190,304/274,906,959.90
  6. Step 6: Final answer
    x = 412,360,439.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.