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Finding the Fourth Proportional to 367.85, 551.88 and 194.67

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Solution

The fourth proportional to 367.85, 551.88 and 194.67 is: 292.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.85 : 551.88 = 194.67 : x
  2. Step 2: Convert to fraction form
    367.85/551.88 = 194.67/x
  3. Step 3: Cross multiply
    367.85x = 551.88 × 194.67
  4. Step 4: Simplify right side
    367.85x = 107,434.48
  5. Step 5: Solve for x
    x = 107,434.48/367.85
  6. Step 6: Final answer
    x = 292.06

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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.