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Finding the Fourth Proportional to 323.29, 484.50 and 117.66

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Solution

The fourth proportional to 323.29, 484.50 and 117.66 is: 176.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.29 : 484.50 = 117.66 : x
  2. Step 2: Convert to fraction form
    323.29/484.50 = 117.66/x
  3. Step 3: Cross multiply
    323.29x = 484.50 × 117.66
  4. Step 4: Simplify right side
    323.29x = 57,008.42
  5. Step 5: Solve for x
    x = 57,008.42/323.29
  6. Step 6: Final answer
    x = 176.34

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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.