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Finding the Fourth Proportional to 500,774.46, 691,062.87 and 271,327.26

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Solution

The fourth proportional to 500,774.46, 691,062.87 and 271,327.26 is: 374,428.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,774.46 : 691,062.87 = 271,327.26 : x
  2. Step 2: Convert to fraction form
    500,774.46/691,062.87 = 271,327.26/x
  3. Step 3: Cross multiply
    500,774.46x = 691,062.87 × 271,327.26
  4. Step 4: Simplify right side
    500,774.46x = 187,504,195,004.84
  5. Step 5: Solve for x
    x = 187,504,195,004.84/500,774.46
  6. Step 6: Final answer
    x = 374,428.43

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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.