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Finding the Fourth Proportional to 448,889.40, 673,334.10 and 412,147.80

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Solution

The fourth proportional to 448,889.40, 673,334.10 and 412,147.80 is: 618,221.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,889.40 : 673,334.10 = 412,147.80 : x
  2. Step 2: Convert to fraction form
    448,889.40/673,334.10 = 412,147.80/x
  3. Step 3: Cross multiply
    448,889.40x = 673,334.10 × 412,147.80
  4. Step 4: Simplify right side
    448,889.40x = 277,513,167,979.98
  5. Step 5: Solve for x
    x = 277,513,167,979.98/448,889.40
  6. Step 6: Final answer
    x = 618,221.70

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