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Finding the Fourth Proportional to 367.72, 551.90 and 175.48

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Solution

The fourth proportional to 367.72, 551.90 and 175.48 is: 263.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.72 : 551.90 = 175.48 : x
  2. Step 2: Convert to fraction form
    367.72/551.90 = 175.48/x
  3. Step 3: Cross multiply
    367.72x = 551.90 × 175.48
  4. Step 4: Simplify right side
    367.72x = 96,847.41
  5. Step 5: Solve for x
    x = 96,847.41/367.72
  6. Step 6: Final answer
    x = 263.37

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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.