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Finding the Fourth Proportional to 712,228.50, 982,872.72 and 406,304.37

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Solution

The fourth proportional to 712,228.50, 982,872.72 and 406,304.37 is: 560,698.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,228.50 : 982,872.72 = 406,304.37 : x
  2. Step 2: Convert to fraction form
    712,228.50/982,872.72 = 406,304.37/x
  3. Step 3: Cross multiply
    712,228.50x = 982,872.72 × 406,304.37
  4. Step 4: Simplify right side
    712,228.50x = 399,345,481,289.79
  5. Step 5: Solve for x
    x = 399,345,481,289.79/712,228.50
  6. Step 6: Final answer
    x = 560,698.54

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