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Finding the Fourth Proportional to 446,619.88, 669,996.78 and 131,039.56

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Solution

The fourth proportional to 446,619.88, 669,996.78 and 131,039.56 is: 196,578.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,619.88 : 669,996.78 = 131,039.56 : x
  2. Step 2: Convert to fraction form
    446,619.88/669,996.78 = 131,039.56/x
  3. Step 3: Cross multiply
    446,619.88x = 669,996.78 × 131,039.56
  4. Step 4: Simplify right side
    446,619.88x = 87,796,083,252.62
  5. Step 5: Solve for x
    x = 87,796,083,252.62/446,619.88
  6. Step 6: Final answer
    x = 196,578.99

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