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Finding the Fourth Proportional to 374.44, 517.11 and 250.66

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Solution

The fourth proportional to 374.44, 517.11 and 250.66 is: 346.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.44 : 517.11 = 250.66 : x
  2. Step 2: Convert to fraction form
    374.44/517.11 = 250.66/x
  3. Step 3: Cross multiply
    374.44x = 517.11 × 250.66
  4. Step 4: Simplify right side
    374.44x = 129,618.79
  5. Step 5: Solve for x
    x = 129,618.79/374.44
  6. Step 6: Final answer
    x = 346.17

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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.