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Finding the Fourth Proportional to 269,481,202.40, 403,465,976.40 and 261,922,930.40

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Solution

The fourth proportional to 269,481,202.40, 403,465,976.40 and 261,922,930.40 is: 392,149,767.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,481,202.40 : 403,465,976.40 = 261,922,930.40 : x
  2. Step 2: Convert to fraction form
    269,481,202.40/403,465,976.40 = 261,922,930.40/x
  3. Step 3: Cross multiply
    269,481,202.40x = 403,465,976.40 × 261,922,930.40
  4. Step 4: Simplify right side
    269,481,202.40x = 105,676,990,855,385,232
  5. Step 5: Solve for x
    x = 105,676,990,855,385,232/269,481,202.40
  6. Step 6: Final answer
    x = 392,149,767.46

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