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Finding the Fourth Proportional to 567,278.06, 782,843.70 and 312,629.26

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Solution

The fourth proportional to 567,278.06, 782,843.70 and 312,629.26 is: 431,428.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,278.06 : 782,843.70 = 312,629.26 : x
  2. Step 2: Convert to fraction form
    567,278.06/782,843.70 = 312,629.26/x
  3. Step 3: Cross multiply
    567,278.06x = 782,843.70 × 312,629.26
  4. Step 4: Simplify right side
    567,278.06x = 244,739,846,626.66
  5. Step 5: Solve for x
    x = 244,739,846,626.66/567,278.06
  6. Step 6: Final answer
    x = 431,428.37

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