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Finding the Fourth Proportional to 367.93, 553.13 and 366.13

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Solution

The fourth proportional to 367.93, 553.13 and 366.13 is: 550.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.93 : 553.13 = 366.13 : x
  2. Step 2: Convert to fraction form
    367.93/553.13 = 366.13/x
  3. Step 3: Cross multiply
    367.93x = 553.13 × 366.13
  4. Step 4: Simplify right side
    367.93x = 202,517.49
  5. Step 5: Solve for x
    x = 202,517.49/367.93
  6. Step 6: Final answer
    x = 550.42

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Why These Related Problems?

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