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Finding the Fourth Proportional to 367.26, 551.01 and 174.78

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Solution

The fourth proportional to 367.26, 551.01 and 174.78 is: 262.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.26 : 551.01 = 174.78 : x
  2. Step 2: Convert to fraction form
    367.26/551.01 = 174.78/x
  3. Step 3: Cross multiply
    367.26x = 551.01 × 174.78
  4. Step 4: Simplify right side
    367.26x = 96,305.53
  5. Step 5: Solve for x
    x = 96,305.53/367.26
  6. Step 6: Final answer
    x = 262.23

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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.