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Finding the Fourth Proportional to 397.97, 596.70 and 167.02

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Solution

The fourth proportional to 397.97, 596.70 and 167.02 is: 250.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    397.97 : 596.70 = 167.02 : x
  2. Step 2: Convert to fraction form
    397.97/596.70 = 167.02/x
  3. Step 3: Cross multiply
    397.97x = 596.70 × 167.02
  4. Step 4: Simplify right side
    397.97x = 99,660.83
  5. Step 5: Solve for x
    x = 99,660.83/397.97
  6. Step 6: Final answer
    x = 250.42

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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.