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Finding the Fourth Proportional to 366.91, 550.44 and 123.44

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Solution

The fourth proportional to 366.91, 550.44 and 123.44 is: 185.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.91 : 550.44 = 123.44 : x
  2. Step 2: Convert to fraction form
    366.91/550.44 = 123.44/x
  3. Step 3: Cross multiply
    366.91x = 550.44 × 123.44
  4. Step 4: Simplify right side
    366.91x = 67,943.56
  5. Step 5: Solve for x
    x = 67,943.56/366.91
  6. Step 6: Final answer
    x = 185.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.