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Finding the Fourth Proportional to 454,755.45, 627,572.61 and 250,812.48

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Solution

The fourth proportional to 454,755.45, 627,572.61 and 250,812.48 is: 346,126.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,755.45 : 627,572.61 = 250,812.48 : x
  2. Step 2: Convert to fraction form
    454,755.45/627,572.61 = 250,812.48/x
  3. Step 3: Cross multiply
    454,755.45x = 627,572.61 × 250,812.48
  4. Step 4: Simplify right side
    454,755.45x = 157,403,042,694.17
  5. Step 5: Solve for x
    x = 157,403,042,694.17/454,755.45
  6. Step 6: Final answer
    x = 346,126.79

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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.