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Finding the Fourth Proportional to 605,723.20, 908,584.80 and 206,814.40

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Solution

The fourth proportional to 605,723.20, 908,584.80 and 206,814.40 is: 310,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,723.20 : 908,584.80 = 206,814.40 : x
  2. Step 2: Convert to fraction form
    605,723.20/908,584.80 = 206,814.40/x
  3. Step 3: Cross multiply
    605,723.20x = 908,584.80 × 206,814.40
  4. Step 4: Simplify right side
    605,723.20x = 187,908,420,261.12
  5. Step 5: Solve for x
    x = 187,908,420,261.12/605,723.20
  6. Step 6: Final answer
    x = 310,221.60

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