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Finding the Fourth Proportional to 447.46, 617.49 and 250.99

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Solution

The fourth proportional to 447.46, 617.49 and 250.99 is: 346.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    447.46 : 617.49 = 250.99 : x
  2. Step 2: Convert to fraction form
    447.46/617.49 = 250.99/x
  3. Step 3: Cross multiply
    447.46x = 617.49 × 250.99
  4. Step 4: Simplify right side
    447.46x = 154,983.82
  5. Step 5: Solve for x
    x = 154,983.82/447.46
  6. Step 6: Final answer
    x = 346.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.