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Finding the Fourth Proportional to 443,765.88, 612,408.96 and 271,680.48

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Solution

The fourth proportional to 443,765.88, 612,408.96 and 271,680.48 is: 374,926.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,765.88 : 612,408.96 = 271,680.48 : x
  2. Step 2: Convert to fraction form
    443,765.88/612,408.96 = 271,680.48/x
  3. Step 3: Cross multiply
    443,765.88x = 612,408.96 × 271,680.48
  4. Step 4: Simplify right side
    443,765.88x = 166,379,560,209.10
  5. Step 5: Solve for x
    x = 166,379,560,209.10/443,765.88
  6. Step 6: Final answer
    x = 374,926.44

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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.