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Finding the Fourth Proportional to 454,404.74, 627,105.93 and 250,455.38

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Solution

The fourth proportional to 454,404.74, 627,105.93 and 250,455.38 is: 345,643.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,404.74 : 627,105.93 = 250,455.38 : x
  2. Step 2: Convert to fraction form
    454,404.74/627,105.93 = 250,455.38/x
  3. Step 3: Cross multiply
    454,404.74x = 627,105.93 × 250,455.38
  4. Step 4: Simplify right side
    454,404.74x = 157,062,053,998.40
  5. Step 5: Solve for x
    x = 157,062,053,998.40/454,404.74
  6. Step 6: Final answer
    x = 345,643.52

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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.