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Finding the Fourth Proportional to 451,725.95, 676,685.42 and 271,711.96

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Solution

The fourth proportional to 451,725.95, 676,685.42 and 271,711.96 is: 407,024.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,725.95 : 676,685.42 = 271,711.96 : x
  2. Step 2: Convert to fraction form
    451,725.95/676,685.42 = 271,711.96/x
  3. Step 3: Cross multiply
    451,725.95x = 676,685.42 × 271,711.96
  4. Step 4: Simplify right side
    451,725.95x = 183,863,521,771.62
  5. Step 5: Solve for x
    x = 183,863,521,771.62/451,725.95
  6. Step 6: Final answer
    x = 407,024.48

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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.