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Finding the Fourth Proportional to 479,711.97, 661,998.29 and 264,847.46

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Solution

The fourth proportional to 479,711.97, 661,998.29 and 264,847.46 is: 365,487.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,711.97 : 661,998.29 = 264,847.46 : x
  2. Step 2: Convert to fraction form
    479,711.97/661,998.29 = 264,847.46/x
  3. Step 3: Cross multiply
    479,711.97x = 661,998.29 × 264,847.46
  4. Step 4: Simplify right side
    479,711.97x = 175,328,560,996.62
  5. Step 5: Solve for x
    x = 175,328,560,996.62/479,711.97
  6. Step 6: Final answer
    x = 365,487.15

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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.