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Finding the Fourth Proportional to 330.44, 495.59 and 167.99

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Solution

The fourth proportional to 330.44, 495.59 and 167.99 is: 251.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    330.44 : 495.59 = 167.99 : x
  2. Step 2: Convert to fraction form
    330.44/495.59 = 167.99/x
  3. Step 3: Cross multiply
    330.44x = 495.59 × 167.99
  4. Step 4: Simplify right side
    330.44x = 83,250.85
  5. Step 5: Solve for x
    x = 83,250.85/330.44
  6. Step 6: Final answer
    x = 251.94

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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.