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Finding the Fourth Proportional to 571,792.44, 789,074.09 and 317,143.64

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Solution

The fourth proportional to 571,792.44, 789,074.09 and 317,143.64 is: 437,658.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,792.44 : 789,074.09 = 317,143.64 : x
  2. Step 2: Convert to fraction form
    571,792.44/789,074.09 = 317,143.64/x
  3. Step 3: Cross multiply
    571,792.44x = 789,074.09 × 317,143.64
  4. Step 4: Simplify right side
    571,792.44x = 250,249,823,601.20
  5. Step 5: Solve for x
    x = 250,249,823,601.20/571,792.44
  6. Step 6: Final answer
    x = 437,658.50

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