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Finding the Fourth Proportional to 771,964.84, 1,065,004.98 and 481,405.48

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Solution

The fourth proportional to 771,964.84, 1,065,004.98 and 481,405.48 is: 664,148.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,964.84 : 1,065,004.98 = 481,405.48 : x
  2. Step 2: Convert to fraction form
    771,964.84/1,065,004.98 = 481,405.48/x
  3. Step 3: Cross multiply
    771,964.84x = 1,065,004.98 × 481,405.48
  4. Step 4: Simplify right side
    771,964.84x = 512,699,233,599.29
  5. Step 5: Solve for x
    x = 512,699,233,599.29/771,964.84
  6. Step 6: Final answer
    x = 664,148.43

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