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Finding the Fourth Proportional to 332.19, 458.42 and 201.27

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Solution

The fourth proportional to 332.19, 458.42 and 201.27 is: 277.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.19 : 458.42 = 201.27 : x
  2. Step 2: Convert to fraction form
    332.19/458.42 = 201.27/x
  3. Step 3: Cross multiply
    332.19x = 458.42 × 201.27
  4. Step 4: Simplify right side
    332.19x = 92,266.19
  5. Step 5: Solve for x
    x = 92,266.19/332.19
  6. Step 6: Final answer
    x = 277.75

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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.