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Finding the Fourth Proportional to 367.12, 548.96 and 275.92

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Solution

The fourth proportional to 367.12, 548.96 and 275.92 is: 412.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.12 : 548.96 = 275.92 : x
  2. Step 2: Convert to fraction form
    367.12/548.96 = 275.92/x
  3. Step 3: Cross multiply
    367.12x = 548.96 × 275.92
  4. Step 4: Simplify right side
    367.12x = 151,469.04
  5. Step 5: Solve for x
    x = 151,469.04/367.12
  6. Step 6: Final answer
    x = 412.59

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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.