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Finding the Fourth Proportional to 394.96, 590.76 and 232.24

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Solution

The fourth proportional to 394.96, 590.76 and 232.24 is: 347.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    394.96 : 590.76 = 232.24 : x
  2. Step 2: Convert to fraction form
    394.96/590.76 = 232.24/x
  3. Step 3: Cross multiply
    394.96x = 590.76 × 232.24
  4. Step 4: Simplify right side
    394.96x = 137,198.10
  5. Step 5: Solve for x
    x = 137,198.10/394.96
  6. Step 6: Final answer
    x = 347.37

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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.