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Finding the Fourth Proportional to 367.34, 506.66 and 243.10

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Solution

The fourth proportional to 367.34, 506.66 and 243.10 is: 335.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.34 : 506.66 = 243.10 : x
  2. Step 2: Convert to fraction form
    367.34/506.66 = 243.10/x
  3. Step 3: Cross multiply
    367.34x = 506.66 × 243.10
  4. Step 4: Simplify right side
    367.34x = 123,168.46
  5. Step 5: Solve for x
    x = 123,168.46/367.34
  6. Step 6: Final answer
    x = 335.30

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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.