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Finding the Fourth Proportional to 675,028.60, 1,012,542.90 and 275,536.60

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Solution

The fourth proportional to 675,028.60, 1,012,542.90 and 275,536.60 is: 413,304.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,028.60 : 1,012,542.90 = 275,536.60 : x
  2. Step 2: Convert to fraction form
    675,028.60/1,012,542.90 = 275,536.60/x
  3. Step 3: Cross multiply
    675,028.60x = 1,012,542.90 × 275,536.60
  4. Step 4: Simplify right side
    675,028.60x = 278,992,628,020.14
  5. Step 5: Solve for x
    x = 278,992,628,020.14/675,028.60
  6. Step 6: Final answer
    x = 413,304.90

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