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Finding the Fourth Proportional to 442,892.70, 664,425.45 and 190,172.70

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Solution

The fourth proportional to 442,892.70, 664,425.45 and 190,172.70 is: 285,296.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,892.70 : 664,425.45 = 190,172.70 : x
  2. Step 2: Convert to fraction form
    442,892.70/664,425.45 = 190,172.70/x
  3. Step 3: Cross multiply
    442,892.70x = 664,425.45 × 190,172.70
  4. Step 4: Simplify right side
    442,892.70x = 126,355,581,775.22
  5. Step 5: Solve for x
    x = 126,355,581,775.22/442,892.70
  6. Step 6: Final answer
    x = 285,296.15

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