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Finding the Fourth Proportional to 694, 1,041 and 181

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Solution

The fourth proportional to 694, 1,041 and 181 is: 271.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    694 : 1,041 = 181 : x
  2. Step 2: Convert to fraction form
    694/1,041 = 181/x
  3. Step 3: Cross multiply
    694x = 1,041 × 181
  4. Step 4: Simplify right side
    694x = 188,421
  5. Step 5: Solve for x
    x = 188,421/694
  6. Step 6: Final answer
    x = 271.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.