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Finding the Fourth Proportional to 329.97, 495 and 113.52

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Solution

The fourth proportional to 329.97, 495 and 113.52 is: 170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.97 : 495 = 113.52 : x
  2. Step 2: Convert to fraction form
    329.97/495 = 113.52/x
  3. Step 3: Cross multiply
    329.97x = 495 × 113.52
  4. Step 4: Simplify right side
    329.97x = 56,192.40
  5. Step 5: Solve for x
    x = 56,192.40/329.97
  6. Step 6: Final answer
    x = 170.30

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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.