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Finding the Fourth Proportional to 700,668.24, 966,867.12 and 394,728

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Solution

The fourth proportional to 700,668.24, 966,867.12 and 394,728 is: 544,693.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,668.24 : 966,867.12 = 394,728 : x
  2. Step 2: Convert to fraction form
    700,668.24/966,867.12 = 394,728/x
  3. Step 3: Cross multiply
    700,668.24x = 966,867.12 × 394,728
  4. Step 4: Simplify right side
    700,668.24x = 381,649,524,543.36
  5. Step 5: Solve for x
    x = 381,649,524,543.36/700,668.24
  6. Step 6: Final answer
    x = 544,693.63

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