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Finding the Fourth Proportional to 454,490.44, 627,198.78 and 250,536.97

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Solution

The fourth proportional to 454,490.44, 627,198.78 and 250,536.97 is: 345,742.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,490.44 : 627,198.78 = 250,536.97 : x
  2. Step 2: Convert to fraction form
    454,490.44/627,198.78 = 250,536.97/x
  3. Step 3: Cross multiply
    454,490.44x = 627,198.78 × 250,536.97
  4. Step 4: Simplify right side
    454,490.44x = 157,136,481,773.38
  5. Step 5: Solve for x
    x = 157,136,481,773.38/454,490.44
  6. Step 6: Final answer
    x = 345,742.10

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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.