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Finding the Fourth Proportional to 298,049.60, 447,074.40 and 203,571.20

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Solution

The fourth proportional to 298,049.60, 447,074.40 and 203,571.20 is: 305,356.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,049.60 : 447,074.40 = 203,571.20 : x
  2. Step 2: Convert to fraction form
    298,049.60/447,074.40 = 203,571.20/x
  3. Step 3: Cross multiply
    298,049.60x = 447,074.40 × 203,571.20
  4. Step 4: Simplify right side
    298,049.60x = 91,011,472,097.28
  5. Step 5: Solve for x
    x = 91,011,472,097.28/298,049.60
  6. Step 6: Final answer
    x = 305,356.80

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