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Finding the Fourth Proportional to 664,312.20, 996,468.30 and 365,713.80

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Solution

The fourth proportional to 664,312.20, 996,468.30 and 365,713.80 is: 548,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,312.20 : 996,468.30 = 365,713.80 : x
  2. Step 2: Convert to fraction form
    664,312.20/996,468.30 = 365,713.80/x
  3. Step 3: Cross multiply
    664,312.20x = 996,468.30 × 365,713.80
  4. Step 4: Simplify right side
    664,312.20x = 364,422,208,572.54
  5. Step 5: Solve for x
    x = 364,422,208,572.54/664,312.20
  6. Step 6: Final answer
    x = 548,570.70

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