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Finding the Fourth Proportional to 454,410.74, 627,114.22 and 250,461.38

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Solution

The fourth proportional to 454,410.74, 627,114.22 and 250,461.38 is: 345,651.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,410.74 : 627,114.22 = 250,461.38 : x
  2. Step 2: Convert to fraction form
    454,410.74/627,114.22 = 250,461.38/x
  3. Step 3: Cross multiply
    454,410.74x = 627,114.22 × 250,461.38
  4. Step 4: Simplify right side
    454,410.74x = 157,067,892,958.82
  5. Step 5: Solve for x
    x = 157,067,892,958.82/454,410.74
  6. Step 6: Final answer
    x = 345,651.81

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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.