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Finding the Fourth Proportional to 325.71, 449.01 and 232.41

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Solution

The fourth proportional to 325.71, 449.01 and 232.41 is: 320.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.71 : 449.01 = 232.41 : x
  2. Step 2: Convert to fraction form
    325.71/449.01 = 232.41/x
  3. Step 3: Cross multiply
    325.71x = 449.01 × 232.41
  4. Step 4: Simplify right side
    325.71x = 104,354.41
  5. Step 5: Solve for x
    x = 104,354.41/325.71
  6. Step 6: Final answer
    x = 320.39

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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.