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Finding the Fourth Proportional to 447.41, 617.38 and 250.92

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Solution

The fourth proportional to 447.41, 617.38 and 250.92 is: 346.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    447.41 : 617.38 = 250.92 : x
  2. Step 2: Convert to fraction form
    447.41/617.38 = 250.92/x
  3. Step 3: Cross multiply
    447.41x = 617.38 × 250.92
  4. Step 4: Simplify right side
    447.41x = 154,912.99
  5. Step 5: Solve for x
    x = 154,912.99/447.41
  6. Step 6: Final answer
    x = 346.24

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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.