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Finding the Fourth Proportional to 325.70, 449.24 and 232.44

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Solution

The fourth proportional to 325.70, 449.24 and 232.44 is: 320.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.70 : 449.24 = 232.44 : x
  2. Step 2: Convert to fraction form
    325.70/449.24 = 232.44/x
  3. Step 3: Cross multiply
    325.70x = 449.24 × 232.44
  4. Step 4: Simplify right side
    325.70x = 104,421.35
  5. Step 5: Solve for x
    x = 104,421.35/325.70
  6. Step 6: Final answer
    x = 320.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.