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Finding the Fourth Proportional to 332,765.35, 499,199.64 and 140,640.59

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Solution

The fourth proportional to 332,765.35, 499,199.64 and 140,640.59 is: 210,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,765.35 : 499,199.64 = 140,640.59 : x
  2. Step 2: Convert to fraction form
    332,765.35/499,199.64 = 140,640.59/x
  3. Step 3: Cross multiply
    332,765.35x = 499,199.64 × 140,640.59
  4. Step 4: Simplify right side
    332,765.35x = 70,207,731,509.42
  5. Step 5: Solve for x
    x = 70,207,731,509.42/332,765.35
  6. Step 6: Final answer
    x = 210,982.70

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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.