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Finding the Fourth Proportional to 474,669.09, 712,495.71 and 317,992.41

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Solution

The fourth proportional to 474,669.09, 712,495.71 and 317,992.41 is: 477,318.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,669.09 : 712,495.71 = 317,992.41 : x
  2. Step 2: Convert to fraction form
    474,669.09/712,495.71 = 317,992.41/x
  3. Step 3: Cross multiply
    474,669.09x = 712,495.71 × 317,992.41
  4. Step 4: Simplify right side
    474,669.09x = 226,568,227,937.56
  5. Step 5: Solve for x
    x = 226,568,227,937.56/474,669.09
  6. Step 6: Final answer
    x = 477,318.27

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