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Finding the Fourth Proportional to 263,999.80, 395,222.10 and 248,620.60

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Solution

The fourth proportional to 263,999.80, 395,222.10 and 248,620.60 is: 372,198.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,999.80 : 395,222.10 = 248,620.60 : x
  2. Step 2: Convert to fraction form
    263,999.80/395,222.10 = 248,620.60/x
  3. Step 3: Cross multiply
    263,999.80x = 395,222.10 × 248,620.60
  4. Step 4: Simplify right side
    263,999.80x = 98,260,355,635.26
  5. Step 5: Solve for x
    x = 98,260,355,635.26/263,999.80
  6. Step 6: Final answer
    x = 372,198.60

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