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Finding the Fourth Proportional to 331.22, 496.04 and 168.50

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Solution

The fourth proportional to 331.22, 496.04 and 168.50 is: 252.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    331.22 : 496.04 = 168.50 : x
  2. Step 2: Convert to fraction form
    331.22/496.04 = 168.50/x
  3. Step 3: Cross multiply
    331.22x = 496.04 × 168.50
  4. Step 4: Simplify right side
    331.22x = 83,582.74
  5. Step 5: Solve for x
    x = 83,582.74/331.22
  6. Step 6: Final answer
    x = 252.35

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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.