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Finding the Fourth Proportional to 367.43, 550.49 and 251.69

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Solution

The fourth proportional to 367.43, 550.49 and 251.69 is: 377.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.43 : 550.49 = 251.69 : x
  2. Step 2: Convert to fraction form
    367.43/550.49 = 251.69/x
  3. Step 3: Cross multiply
    367.43x = 550.49 × 251.69
  4. Step 4: Simplify right side
    367.43x = 138,548.82
  5. Step 5: Solve for x
    x = 138,548.82/367.43
  6. Step 6: Final answer
    x = 377.08

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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.