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Finding the Fourth Proportional to 332,999.20, 499,455.51 and 133,321.54

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Solution

The fourth proportional to 332,999.20, 499,455.51 and 133,321.54 is: 199,964.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,999.20 : 499,455.51 = 133,321.54 : x
  2. Step 2: Convert to fraction form
    332,999.20/499,455.51 = 133,321.54/x
  3. Step 3: Cross multiply
    332,999.20x = 499,455.51 × 133,321.54
  4. Step 4: Simplify right side
    332,999.20x = 66,588,177,754.69
  5. Step 5: Solve for x
    x = 66,588,177,754.69/332,999.20
  6. Step 6: Final answer
    x = 199,964.98

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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.