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Finding the Fourth Proportional to 347,676.49, 479,711.32 and 196,773.49

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Solution

The fourth proportional to 347,676.49, 479,711.32 and 196,773.49 is: 271,500.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,676.49 : 479,711.32 = 196,773.49 : x
  2. Step 2: Convert to fraction form
    347,676.49/479,711.32 = 196,773.49/x
  3. Step 3: Cross multiply
    347,676.49x = 479,711.32 × 196,773.49
  4. Step 4: Simplify right side
    347,676.49x = 94,394,470,628.91
  5. Step 5: Solve for x
    x = 94,394,470,628.91/347,676.49
  6. Step 6: Final answer
    x = 271,500.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.