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Finding the Fourth Proportional to 332.32, 458.49 and 207.94

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Solution

The fourth proportional to 332.32, 458.49 and 207.94 is: 286.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.32 : 458.49 = 207.94 : x
  2. Step 2: Convert to fraction form
    332.32/458.49 = 207.94/x
  3. Step 3: Cross multiply
    332.32x = 458.49 × 207.94
  4. Step 4: Simplify right side
    332.32x = 95,338.41
  5. Step 5: Solve for x
    x = 95,338.41/332.32
  6. Step 6: Final answer
    x = 286.89

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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.