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Finding the Fourth Proportional to 323.22, 484.91 and 106.79

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Solution

The fourth proportional to 323.22, 484.91 and 106.79 is: 160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.22 : 484.91 = 106.79 : x
  2. Step 2: Convert to fraction form
    323.22/484.91 = 106.79/x
  3. Step 3: Cross multiply
    323.22x = 484.91 × 106.79
  4. Step 4: Simplify right side
    323.22x = 51,780.58
  5. Step 5: Solve for x
    x = 51,780.58/323.22
  6. Step 6: Final answer
    x = 160.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.