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Finding the Fourth Proportional to 542.22, 747.67 and 367.26

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Solution

The fourth proportional to 542.22, 747.67 and 367.26 is: 506.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    542.22 : 747.67 = 367.26 : x
  2. Step 2: Convert to fraction form
    542.22/747.67 = 367.26/x
  3. Step 3: Cross multiply
    542.22x = 747.67 × 367.26
  4. Step 4: Simplify right side
    542.22x = 274,589.28
  5. Step 5: Solve for x
    x = 274,589.28/542.22
  6. Step 6: Final answer
    x = 506.42

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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.