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Finding the Fourth Proportional to 367.92, 552.09 and 194.58

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Solution

The fourth proportional to 367.92, 552.09 and 194.58 is: 291.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.92 : 552.09 = 194.58 : x
  2. Step 2: Convert to fraction form
    367.92/552.09 = 194.58/x
  3. Step 3: Cross multiply
    367.92x = 552.09 × 194.58
  4. Step 4: Simplify right side
    367.92x = 107,425.67
  5. Step 5: Solve for x
    x = 107,425.67/367.92
  6. Step 6: Final answer
    x = 291.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.