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Finding the Fourth Proportional to 264.48, 365.28 and 197.97

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Solution

The fourth proportional to 264.48, 365.28 and 197.97 is: 273.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.48 : 365.28 = 197.97 : x
  2. Step 2: Convert to fraction form
    264.48/365.28 = 197.97/x
  3. Step 3: Cross multiply
    264.48x = 365.28 × 197.97
  4. Step 4: Simplify right side
    264.48x = 72,314.48
  5. Step 5: Solve for x
    x = 72,314.48/264.48
  6. Step 6: Final answer
    x = 273.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.