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Finding the Fourth Proportional to 264.92, 397.44 and 82.33

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Solution

The fourth proportional to 264.92, 397.44 and 82.33 is: 123.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.92 : 397.44 = 82.33 : x
  2. Step 2: Convert to fraction form
    264.92/397.44 = 82.33/x
  3. Step 3: Cross multiply
    264.92x = 397.44 × 82.33
  4. Step 4: Simplify right side
    264.92x = 32,722.48
  5. Step 5: Solve for x
    x = 32,722.48/264.92
  6. Step 6: Final answer
    x = 123.52

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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.