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Finding the Fourth Proportional to 454,446.98, 627,141.22 and 250,505.78

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Solution

The fourth proportional to 454,446.98, 627,141.22 and 250,505.78 is: 345,700.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,446.98 : 627,141.22 = 250,505.78 : x
  2. Step 2: Convert to fraction form
    454,446.98/627,141.22 = 250,505.78/x
  3. Step 3: Cross multiply
    454,446.98x = 627,141.22 × 250,505.78
  4. Step 4: Simplify right side
    454,446.98x = 157,102,500,486.25
  5. Step 5: Solve for x
    x = 157,102,500,486.25/454,446.98
  6. Step 6: Final answer
    x = 345,700.39

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1.5x scale

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.