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Finding the Fourth Proportional to 464,059.40, 694,533.90 and 408,072.20

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Solution

The fourth proportional to 464,059.40, 694,533.90 and 408,072.20 is: 610,740.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,059.40 : 694,533.90 = 408,072.20 : x
  2. Step 2: Convert to fraction form
    464,059.40/694,533.90 = 408,072.20/x
  3. Step 3: Cross multiply
    464,059.40x = 694,533.90 × 408,072.20
  4. Step 4: Simplify right side
    464,059.40x = 283,419,976,547.58
  5. Step 5: Solve for x
    x = 283,419,976,547.58/464,059.40
  6. Step 6: Final answer
    x = 610,740.73

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