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Finding the Fourth Proportional to 443,951.08, 612,638.82 and 271,934.44

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Solution

The fourth proportional to 443,951.08, 612,638.82 and 271,934.44 is: 375,261.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,951.08 : 612,638.82 = 271,934.44 : x
  2. Step 2: Convert to fraction form
    443,951.08/612,638.82 = 271,934.44/x
  3. Step 3: Cross multiply
    443,951.08x = 612,638.82 × 271,934.44
  4. Step 4: Simplify right side
    443,951.08x = 166,597,594,438.96
  5. Step 5: Solve for x
    x = 166,597,594,438.96/443,951.08
  6. Step 6: Final answer
    x = 375,261.15

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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.