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Finding the Fourth Proportional to 620,896.72, 931,350.84 and 247,015.12

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Solution

The fourth proportional to 620,896.72, 931,350.84 and 247,015.12 is: 370,524.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,896.72 : 931,350.84 = 247,015.12 : x
  2. Step 2: Convert to fraction form
    620,896.72/931,350.84 = 247,015.12/x
  3. Step 3: Cross multiply
    620,896.72x = 931,350.84 × 247,015.12
  4. Step 4: Simplify right side
    620,896.72x = 230,057,739,504.70
  5. Step 5: Solve for x
    x = 230,057,739,504.70/620,896.72
  6. Step 6: Final answer
    x = 370,524.97

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