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Finding the Fourth Proportional to 332.28, 458.60 and 276.92

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Solution

The fourth proportional to 332.28, 458.60 and 276.92 is: 382.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.28 : 458.60 = 276.92 : x
  2. Step 2: Convert to fraction form
    332.28/458.60 = 276.92/x
  3. Step 3: Cross multiply
    332.28x = 458.60 × 276.92
  4. Step 4: Simplify right side
    332.28x = 126,995.51
  5. Step 5: Solve for x
    x = 126,995.51/332.28
  6. Step 6: Final answer
    x = 382.19

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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.