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Finding the Fourth Proportional to 322.92, 484.38 and 176.58

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Solution

The fourth proportional to 322.92, 484.38 and 176.58 is: 264.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.92 : 484.38 = 176.58 : x
  2. Step 2: Convert to fraction form
    322.92/484.38 = 176.58/x
  3. Step 3: Cross multiply
    322.92x = 484.38 × 176.58
  4. Step 4: Simplify right side
    322.92x = 85,531.82
  5. Step 5: Solve for x
    x = 85,531.82/322.92
  6. Step 6: Final answer
    x = 264.87

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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.