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Finding the Fourth Proportional to 283.48, 424.01 and 167.65

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Solution

The fourth proportional to 283.48, 424.01 and 167.65 is: 250.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    283.48 : 424.01 = 167.65 : x
  2. Step 2: Convert to fraction form
    283.48/424.01 = 167.65/x
  3. Step 3: Cross multiply
    283.48x = 424.01 × 167.65
  4. Step 4: Simplify right side
    283.48x = 71,084.44
  5. Step 5: Solve for x
    x = 71,084.44/283.48
  6. Step 6: Final answer
    x = 250.76

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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.