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Finding the Fourth Proportional to 332,606.80, 498,764.40 and 132,860.80

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Solution

The fourth proportional to 332,606.80, 498,764.40 and 132,860.80 is: 199,232.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,606.80 : 498,764.40 = 132,860.80 : x
  2. Step 2: Convert to fraction form
    332,606.80/498,764.40 = 132,860.80/x
  3. Step 3: Cross multiply
    332,606.80x = 498,764.40 × 132,860.80
  4. Step 4: Simplify right side
    332,606.80x = 66,266,237,195.52
  5. Step 5: Solve for x
    x = 66,266,237,195.52/332,606.80
  6. Step 6: Final answer
    x = 199,232.96

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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.