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Finding the Fourth Proportional to 332.25, 458.61 and 270.03

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Solution

The fourth proportional to 332.25, 458.61 and 270.03 is: 372.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.25 : 458.61 = 270.03 : x
  2. Step 2: Convert to fraction form
    332.25/458.61 = 270.03/x
  3. Step 3: Cross multiply
    332.25x = 458.61 × 270.03
  4. Step 4: Simplify right side
    332.25x = 123,840.68
  5. Step 5: Solve for x
    x = 123,840.68/332.25
  6. Step 6: Final answer
    x = 372.73

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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.