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Finding the Fourth Proportional to 367.04, 506.49 and 211.79

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Solution

The fourth proportional to 367.04, 506.49 and 211.79 is: 292.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.04 : 506.49 = 211.79 : x
  2. Step 2: Convert to fraction form
    367.04/506.49 = 211.79/x
  3. Step 3: Cross multiply
    367.04x = 506.49 × 211.79
  4. Step 4: Simplify right side
    367.04x = 107,266.98
  5. Step 5: Solve for x
    x = 107,266.98/367.04
  6. Step 6: Final answer
    x = 292.25

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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.