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Finding the Fourth Proportional to 367.17, 550.46 and 251.33

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Solution

The fourth proportional to 367.17, 550.46 and 251.33 is: 376.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.17 : 550.46 = 251.33 : x
  2. Step 2: Convert to fraction form
    367.17/550.46 = 251.33/x
  3. Step 3: Cross multiply
    367.17x = 550.46 × 251.33
  4. Step 4: Simplify right side
    367.17x = 138,347.11
  5. Step 5: Solve for x
    x = 138,347.11/367.17
  6. Step 6: Final answer
    x = 376.79

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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.