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Finding the Fourth Proportional to 332,763.60, 499,218.30 and 133,033.80

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Solution

The fourth proportional to 332,763.60, 499,218.30 and 133,033.80 is: 199,579.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,763.60 : 499,218.30 = 133,033.80 : x
  2. Step 2: Convert to fraction form
    332,763.60/499,218.30 = 133,033.80/x
  3. Step 3: Cross multiply
    332,763.60x = 499,218.30 × 133,033.80
  4. Step 4: Simplify right side
    332,763.60x = 66,412,907,478.54
  5. Step 5: Solve for x
    x = 66,412,907,478.54/332,763.60
  6. Step 6: Final answer
    x = 199,579.84

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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.