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Finding the Fourth Proportional to 537,778.54, 807,166.56 and 271,725.90

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Solution

The fourth proportional to 537,778.54, 807,166.56 and 271,725.90 is: 407,840.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,778.54 : 807,166.56 = 271,725.90 : x
  2. Step 2: Convert to fraction form
    537,778.54/807,166.56 = 271,725.90/x
  3. Step 3: Cross multiply
    537,778.54x = 807,166.56 × 271,725.90
  4. Step 4: Simplify right side
    537,778.54x = 219,328,059,965.90
  5. Step 5: Solve for x
    x = 219,328,059,965.90/537,778.54
  6. Step 6: Final answer
    x = 407,840.86

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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.