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Finding the Fourth Proportional to 325.46, 448.67 and 232.05

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Solution

The fourth proportional to 325.46, 448.67 and 232.05 is: 319.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.46 : 448.67 = 232.05 : x
  2. Step 2: Convert to fraction form
    325.46/448.67 = 232.05/x
  3. Step 3: Cross multiply
    325.46x = 448.67 × 232.05
  4. Step 4: Simplify right side
    325.46x = 104,112.77
  5. Step 5: Solve for x
    x = 104,112.77/325.46
  6. Step 6: Final answer
    x = 319.89

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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.