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Finding the Fourth Proportional to 332,859.39, 499,081.05 and 140,635

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Solution

The fourth proportional to 332,859.39, 499,081.05 and 140,635 is: 210,864.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,859.39 : 499,081.05 = 140,635 : x
  2. Step 2: Convert to fraction form
    332,859.39/499,081.05 = 140,635/x
  3. Step 3: Cross multiply
    332,859.39x = 499,081.05 × 140,635
  4. Step 4: Simplify right side
    332,859.39x = 70,188,263,466.75
  5. Step 5: Solve for x
    x = 70,188,263,466.75/332,859.39
  6. Step 6: Final answer
    x = 210,864.60

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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.