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Finding the Fourth Proportional to 323.22, 484.65 and 176.88

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Solution

The fourth proportional to 323.22, 484.65 and 176.88 is: 265.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.22 : 484.65 = 176.88 : x
  2. Step 2: Convert to fraction form
    323.22/484.65 = 176.88/x
  3. Step 3: Cross multiply
    323.22x = 484.65 × 176.88
  4. Step 4: Simplify right side
    323.22x = 85,724.89
  5. Step 5: Solve for x
    x = 85,724.89/323.22
  6. Step 6: Final answer
    x = 265.22

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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.