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Finding the Fourth Proportional to 332,571.30, 499,230.11 and 133,030.80

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Solution

The fourth proportional to 332,571.30, 499,230.11 and 133,030.80 is: 199,695.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,571.30 : 499,230.11 = 133,030.80 : x
  2. Step 2: Convert to fraction form
    332,571.30/499,230.11 = 133,030.80/x
  3. Step 3: Cross multiply
    332,571.30x = 499,230.11 × 133,030.80
  4. Step 4: Simplify right side
    332,571.30x = 66,412,980,917.39
  5. Step 5: Solve for x
    x = 66,412,980,917.39/332,571.30
  6. Step 6: Final answer
    x = 199,695.47

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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.