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Finding the Fourth Proportional to 367.44, 551.16 and 175.20

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Solution

The fourth proportional to 367.44, 551.16 and 175.20 is: 262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.44 : 551.16 = 175.20 : x
  2. Step 2: Convert to fraction form
    367.44/551.16 = 175.20/x
  3. Step 3: Cross multiply
    367.44x = 551.16 × 175.20
  4. Step 4: Simplify right side
    367.44x = 96,563.23
  5. Step 5: Solve for x
    x = 96,563.23/367.44
  6. Step 6: Final answer
    x = 262.80

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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.