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Finding the Fourth Proportional to 454,574.28, 627,314.08 and 250,620.72

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Solution

The fourth proportional to 454,574.28, 627,314.08 and 250,620.72 is: 345,857.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,574.28 : 627,314.08 = 250,620.72 : x
  2. Step 2: Convert to fraction form
    454,574.28/627,314.08 = 250,620.72/x
  3. Step 3: Cross multiply
    454,574.28x = 627,314.08 × 250,620.72
  4. Step 4: Simplify right side
    454,574.28x = 157,217,906,395.74
  5. Step 5: Solve for x
    x = 157,217,906,395.74/454,574.28
  6. Step 6: Final answer
    x = 345,857.46

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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.