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Finding the Fourth Proportional to 361,571.67, 498,960.96 and 200,425.30

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Solution

The fourth proportional to 361,571.67, 498,960.96 and 200,425.30 is: 276,582.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,571.67 : 498,960.96 = 200,425.30 : x
  2. Step 2: Convert to fraction form
    361,571.67/498,960.96 = 200,425.30/x
  3. Step 3: Cross multiply
    361,571.67x = 498,960.96 × 200,425.30
  4. Step 4: Simplify right side
    361,571.67x = 100,004,400,096.29
  5. Step 5: Solve for x
    x = 100,004,400,096.29/361,571.67
  6. Step 6: Final answer
    x = 276,582.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.