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Finding the Fourth Proportional to 313,233.78, 432,336.78 and 185,982.78

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Solution

The fourth proportional to 313,233.78, 432,336.78 and 185,982.78 is: 256,700.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,233.78 : 432,336.78 = 185,982.78 : x
  2. Step 2: Convert to fraction form
    313,233.78/432,336.78 = 185,982.78/x
  3. Step 3: Cross multiply
    313,233.78x = 432,336.78 × 185,982.78
  4. Step 4: Simplify right side
    313,233.78x = 80,407,196,240.65
  5. Step 5: Solve for x
    x = 80,407,196,240.65/313,233.78
  6. Step 6: Final answer
    x = 256,700.27

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