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Finding the Fourth Proportional to 967.38, 1,333.97 and 574.33

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Solution

The fourth proportional to 967.38, 1,333.97 and 574.33 is: 791.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.38 : 1,333.97 = 574.33 : x
  2. Step 2: Convert to fraction form
    967.38/1,333.97 = 574.33/x
  3. Step 3: Cross multiply
    967.38x = 1,333.97 × 574.33
  4. Step 4: Simplify right side
    967.38x = 766,138.99
  5. Step 5: Solve for x
    x = 766,138.99/967.38
  6. Step 6: Final answer
    x = 791.97

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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.