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Finding the Fourth Proportional to 332.16, 458.61 and 232.56

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Solution

The fourth proportional to 332.16, 458.61 and 232.56 is: 321.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.16 : 458.61 = 232.56 : x
  2. Step 2: Convert to fraction form
    332.16/458.61 = 232.56/x
  3. Step 3: Cross multiply
    332.16x = 458.61 × 232.56
  4. Step 4: Simplify right side
    332.16x = 106,654.34
  5. Step 5: Solve for x
    x = 106,654.34/332.16
  6. Step 6: Final answer
    x = 321.09

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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.