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Finding the Fourth Proportional to 332,586.80, 498,734.40 and 132,840.80

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Solution

The fourth proportional to 332,586.80, 498,734.40 and 132,840.80 is: 199,202.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,586.80 : 498,734.40 = 132,840.80 : x
  2. Step 2: Convert to fraction form
    332,586.80/498,734.40 = 132,840.80/x
  3. Step 3: Cross multiply
    332,586.80x = 498,734.40 × 132,840.80
  4. Step 4: Simplify right side
    332,586.80x = 66,252,276,683.52
  5. Step 5: Solve for x
    x = 66,252,276,683.52/332,586.80
  6. Step 6: Final answer
    x = 199,202.97

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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.