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Finding the Fourth Proportional to 644,507.80, 966,761.70 and 364,571.80

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Solution

The fourth proportional to 644,507.80, 966,761.70 and 364,571.80 is: 546,857.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,507.80 : 966,761.70 = 364,571.80 : x
  2. Step 2: Convert to fraction form
    644,507.80/966,761.70 = 364,571.80/x
  3. Step 3: Cross multiply
    644,507.80x = 966,761.70 × 364,571.80
  4. Step 4: Simplify right side
    644,507.80x = 352,454,053,140.06
  5. Step 5: Solve for x
    x = 352,454,053,140.06/644,507.80
  6. Step 6: Final answer
    x = 546,857.70

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