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Finding the Fourth Proportional to 367.26, 551.07 and 251.88

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Solution

The fourth proportional to 367.26, 551.07 and 251.88 is: 377.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.26 : 551.07 = 251.88 : x
  2. Step 2: Convert to fraction form
    367.26/551.07 = 251.88/x
  3. Step 3: Cross multiply
    367.26x = 551.07 × 251.88
  4. Step 4: Simplify right side
    367.26x = 138,803.51
  5. Step 5: Solve for x
    x = 138,803.51/367.26
  6. Step 6: Final answer
    x = 377.94

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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.