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Finding the Fourth Proportional to 317,846.92, 477,187.08 and 213,134.44

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Solution

The fourth proportional to 317,846.92, 477,187.08 and 213,134.44 is: 319,981.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,846.92 : 477,187.08 = 213,134.44 : x
  2. Step 2: Convert to fraction form
    317,846.92/477,187.08 = 213,134.44/x
  3. Step 3: Cross multiply
    317,846.92x = 477,187.08 × 213,134.44
  4. Step 4: Simplify right side
    317,846.92x = 101,705,001,071.04
  5. Step 5: Solve for x
    x = 101,705,001,071.04/317,846.92
  6. Step 6: Final answer
    x = 319,981.08

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