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Finding the Fourth Proportional to 367.78, 552.00 and 194.57

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Solution

The fourth proportional to 367.78, 552.00 and 194.57 is: 292.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.78 : 552.00 = 194.57 : x
  2. Step 2: Convert to fraction form
    367.78/552.00 = 194.57/x
  3. Step 3: Cross multiply
    367.78x = 552.00 × 194.57
  4. Step 4: Simplify right side
    367.78x = 107,404.51
  5. Step 5: Solve for x
    x = 107,404.51/367.78
  6. Step 6: Final answer
    x = 292.04

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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.