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Finding the Fourth Proportional to 332.44, 458.72 and 192.56

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Solution

The fourth proportional to 332.44, 458.72 and 192.56 is: 265.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.44 : 458.72 = 192.56 : x
  2. Step 2: Convert to fraction form
    332.44/458.72 = 192.56/x
  3. Step 3: Cross multiply
    332.44x = 458.72 × 192.56
  4. Step 4: Simplify right side
    332.44x = 88,331.12
  5. Step 5: Solve for x
    x = 88,331.12/332.44
  6. Step 6: Final answer
    x = 265.71

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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.