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Finding the Fourth Proportional to 332.46, 458.82 and 201.47

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Solution

The fourth proportional to 332.46, 458.82 and 201.47 is: 278.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.46 : 458.82 = 201.47 : x
  2. Step 2: Convert to fraction form
    332.46/458.82 = 201.47/x
  3. Step 3: Cross multiply
    332.46x = 458.82 × 201.47
  4. Step 4: Simplify right side
    332.46x = 92,436.17
  5. Step 5: Solve for x
    x = 92,436.17/332.46
  6. Step 6: Final answer
    x = 278.04

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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.