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Finding the Fourth Proportional to 332,572.80, 498,859.20 and 122,183.40

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Solution

The fourth proportional to 332,572.80, 498,859.20 and 122,183.40 is: 183,275.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,572.80 : 498,859.20 = 122,183.40 : x
  2. Step 2: Convert to fraction form
    332,572.80/498,859.20 = 122,183.40/x
  3. Step 3: Cross multiply
    332,572.80x = 498,859.20 × 122,183.40
  4. Step 4: Simplify right side
    332,572.80x = 60,952,313,177.28
  5. Step 5: Solve for x
    x = 60,952,313,177.28/332,572.80
  6. Step 6: Final answer
    x = 183,275.10

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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.