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Finding the Fourth Proportional to 568,485.82, 784,489.86 and 313,831.54

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Solution

The fourth proportional to 568,485.82, 784,489.86 and 313,831.54 is: 433,076.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,485.82 : 784,489.86 = 313,831.54 : x
  2. Step 2: Convert to fraction form
    568,485.82/784,489.86 = 313,831.54/x
  3. Step 3: Cross multiply
    568,485.82x = 784,489.86 × 313,831.54
  4. Step 4: Simplify right side
    568,485.82x = 246,197,660,878.18
  5. Step 5: Solve for x
    x = 246,197,660,878.18/568,485.82
  6. Step 6: Final answer
    x = 433,076.17

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