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Finding the Fourth Proportional to 304,388.11, 420,121.80 and 177,080.41

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Solution

The fourth proportional to 304,388.11, 420,121.80 and 177,080.41 is: 244,409.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,388.11 : 420,121.80 = 177,080.41 : x
  2. Step 2: Convert to fraction form
    304,388.11/420,121.80 = 177,080.41/x
  3. Step 3: Cross multiply
    304,388.11x = 420,121.80 × 177,080.41
  4. Step 4: Simplify right side
    304,388.11x = 74,395,340,593.94
  5. Step 5: Solve for x
    x = 74,395,340,593.94/304,388.11
  6. Step 6: Final answer
    x = 244,409.48

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