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Finding the Fourth Proportional to 322.20, 483.12 and 176.04

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Solution

The fourth proportional to 322.20, 483.12 and 176.04 is: 263.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.20 : 483.12 = 176.04 : x
  2. Step 2: Convert to fraction form
    322.20/483.12 = 176.04/x
  3. Step 3: Cross multiply
    322.20x = 483.12 × 176.04
  4. Step 4: Simplify right side
    322.20x = 85,048.44
  5. Step 5: Solve for x
    x = 85,048.44/322.20
  6. Step 6: Final answer
    x = 263.96

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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.