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Finding the Fourth Proportional to 397.26, 596.00 and 166.25

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Solution

The fourth proportional to 397.26, 596.00 and 166.25 is: 249.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    397.26 : 596.00 = 166.25 : x
  2. Step 2: Convert to fraction form
    397.26/596.00 = 166.25/x
  3. Step 3: Cross multiply
    397.26x = 596.00 × 166.25
  4. Step 4: Simplify right side
    397.26x = 99,081.19
  5. Step 5: Solve for x
    x = 99,081.19/397.26
  6. Step 6: Final answer
    x = 249.41

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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.