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Finding the Fourth Proportional to 324,708.96, 486,834.48 and 124,861.44

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Solution

The fourth proportional to 324,708.96, 486,834.48 and 124,861.44 is: 187,204.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,708.96 : 486,834.48 = 124,861.44 : x
  2. Step 2: Convert to fraction form
    324,708.96/486,834.48 = 124,861.44/x
  3. Step 3: Cross multiply
    324,708.96x = 486,834.48 × 124,861.44
  4. Step 4: Simplify right side
    324,708.96x = 60,786,854,214.45
  5. Step 5: Solve for x
    x = 60,786,854,214.45/324,708.96
  6. Step 6: Final answer
    x = 187,204.12

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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.