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Finding the Fourth Proportional to 437,708.80, 656,198.70 and 185,183.20

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Solution

The fourth proportional to 437,708.80, 656,198.70 and 185,183.20 is: 277,620.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,708.80 : 656,198.70 = 185,183.20 : x
  2. Step 2: Convert to fraction form
    437,708.80/656,198.70 = 185,183.20/x
  3. Step 3: Cross multiply
    437,708.80x = 656,198.70 × 185,183.20
  4. Step 4: Simplify right side
    437,708.80x = 121,516,975,101.84
  5. Step 5: Solve for x
    x = 121,516,975,101.84/437,708.80
  6. Step 6: Final answer
    x = 277,620.59

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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.