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Finding the Fourth Proportional to 967.18, 1,334.24 and 573.92

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Solution

The fourth proportional to 967.18, 1,334.24 and 573.92 is: 791.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.18 : 1,334.24 = 573.92 : x
  2. Step 2: Convert to fraction form
    967.18/1,334.24 = 573.92/x
  3. Step 3: Cross multiply
    967.18x = 1,334.24 × 573.92
  4. Step 4: Simplify right side
    967.18x = 765,749.87
  5. Step 5: Solve for x
    x = 765,749.87/967.18
  6. Step 6: Final answer
    x = 791.74

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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.