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Finding the Fourth Proportional to 340,910.79, 511,362.80 and 130,548.73

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Solution

The fourth proportional to 340,910.79, 511,362.80 and 130,548.73 is: 195,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,910.79 : 511,362.80 = 130,548.73 : x
  2. Step 2: Convert to fraction form
    340,910.79/511,362.80 = 130,548.73/x
  3. Step 3: Cross multiply
    340,910.79x = 511,362.80 × 130,548.73
  4. Step 4: Simplify right side
    340,910.79x = 66,757,764,109.24
  5. Step 5: Solve for x
    x = 66,757,764,109.24/340,910.79
  6. Step 6: Final answer
    x = 195,821.80

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