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Finding the Fourth Proportional to 701,967.89, 968,715.87 and 396,109.09

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Solution

The fourth proportional to 701,967.89, 968,715.87 and 396,109.09 is: 546,630.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,967.89 : 968,715.87 = 396,109.09 : x
  2. Step 2: Convert to fraction form
    701,967.89/968,715.87 = 396,109.09/x
  3. Step 3: Cross multiply
    701,967.89x = 968,715.87 × 396,109.09
  4. Step 4: Simplify right side
    701,967.89x = 383,717,161,734.26
  5. Step 5: Solve for x
    x = 383,717,161,734.26/701,967.89
  6. Step 6: Final answer
    x = 546,630.65

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