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Finding the Fourth Proportional to 323,770.86, 485,379.29 and 124,234.44

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Solution

The fourth proportional to 323,770.86, 485,379.29 and 124,234.44 is: 186,245.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,770.86 : 485,379.29 = 124,234.44 : x
  2. Step 2: Convert to fraction form
    323,770.86/485,379.29 = 124,234.44/x
  3. Step 3: Cross multiply
    323,770.86x = 485,379.29 × 124,234.44
  4. Step 4: Simplify right side
    323,770.86x = 60,300,823,659.58
  5. Step 5: Solve for x
    x = 60,300,823,659.58/323,770.86
  6. Step 6: Final answer
    x = 186,245.37

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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.