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Finding the Fourth Proportional to 322.38, 483.76 and 176.13

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Solution

The fourth proportional to 322.38, 483.76 and 176.13 is: 264.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.38 : 483.76 = 176.13 : x
  2. Step 2: Convert to fraction form
    322.38/483.76 = 176.13/x
  3. Step 3: Cross multiply
    322.38x = 483.76 × 176.13
  4. Step 4: Simplify right side
    322.38x = 85,204.65
  5. Step 5: Solve for x
    x = 85,204.65/322.38
  6. Step 6: Final answer
    x = 264.30

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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.