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Finding the Fourth Proportional to 332,585.70, 498,769.20 and 122,196.30

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Solution

The fourth proportional to 332,585.70, 498,769.20 and 122,196.30 is: 183,254.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,585.70 : 498,769.20 = 122,196.30 : x
  2. Step 2: Convert to fraction form
    332,585.70/498,769.20 = 122,196.30/x
  3. Step 3: Cross multiply
    332,585.70x = 498,769.20 × 122,196.30
  4. Step 4: Simplify right side
    332,585.70x = 60,947,750,793.96
  5. Step 5: Solve for x
    x = 60,947,750,793.96/332,585.70
  6. Step 6: Final answer
    x = 183,254.27

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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.