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Finding the Fourth Proportional to 700,939.08, 967,294.98 and 399,133.08

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Solution

The fourth proportional to 700,939.08, 967,294.98 and 399,133.08 is: 550,803.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,939.08 : 967,294.98 = 399,133.08 : x
  2. Step 2: Convert to fraction form
    700,939.08/967,294.98 = 399,133.08/x
  3. Step 3: Cross multiply
    700,939.08x = 967,294.98 × 399,133.08
  4. Step 4: Simplify right side
    700,939.08x = 386,079,424,635.94
  5. Step 5: Solve for x
    x = 386,079,424,635.94/700,939.08
  6. Step 6: Final answer
    x = 550,803.11

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