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Finding the Fourth Proportional to 447,766.31, 671,672.54 and 127,892.96

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Solution

The fourth proportional to 447,766.31, 671,672.54 and 127,892.96 is: 191,846.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,766.31 : 671,672.54 = 127,892.96 : x
  2. Step 2: Convert to fraction form
    447,766.31/671,672.54 = 127,892.96/x
  3. Step 3: Cross multiply
    447,766.31x = 671,672.54 × 127,892.96
  4. Step 4: Simplify right side
    447,766.31x = 85,902,188,771.46
  5. Step 5: Solve for x
    x = 85,902,188,771.46/447,766.31
  6. Step 6: Final answer
    x = 191,846.03

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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.