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Finding the Fourth Proportional to 447,197.76, 670,796.64 and 306,529.92

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Solution

The fourth proportional to 447,197.76, 670,796.64 and 306,529.92 is: 459,794.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,197.76 : 670,796.64 = 306,529.92 : x
  2. Step 2: Convert to fraction form
    447,197.76/670,796.64 = 306,529.92/x
  3. Step 3: Cross multiply
    447,197.76x = 670,796.64 × 306,529.92
  4. Step 4: Simplify right side
    447,197.76x = 205,619,240,395.47
  5. Step 5: Solve for x
    x = 205,619,240,395.47/447,197.76
  6. Step 6: Final answer
    x = 459,794.88

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