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Finding the Fourth Proportional to 454,371.70, 627,007.36 and 250,422

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Solution

The fourth proportional to 454,371.70, 627,007.36 and 250,422 is: 345,568.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,371.70 : 627,007.36 = 250,422 : x
  2. Step 2: Convert to fraction form
    454,371.70/627,007.36 = 250,422/x
  3. Step 3: Cross multiply
    454,371.70x = 627,007.36 × 250,422
  4. Step 4: Simplify right side
    454,371.70x = 157,016,437,105.92
  5. Step 5: Solve for x
    x = 157,016,437,105.92/454,371.70
  6. Step 6: Final answer
    x = 345,568.26

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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.