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Finding the Fourth Proportional to 367.11, 550.26 and 236.70

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Solution

The fourth proportional to 367.11, 550.26 and 236.70 is: 354.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.11 : 550.26 = 236.70 : x
  2. Step 2: Convert to fraction form
    367.11/550.26 = 236.70/x
  3. Step 3: Cross multiply
    367.11x = 550.26 × 236.70
  4. Step 4: Simplify right side
    367.11x = 130,246.54
  5. Step 5: Solve for x
    x = 130,246.54/367.11
  6. Step 6: Final answer
    x = 354.79

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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.