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Finding the Fourth Proportional to 543,685.14, 815,628.10 and 178,967.36

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Solution

The fourth proportional to 543,685.14, 815,628.10 and 178,967.36 is: 268,484.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,685.14 : 815,628.10 = 178,967.36 : x
  2. Step 2: Convert to fraction form
    543,685.14/815,628.10 = 178,967.36/x
  3. Step 3: Cross multiply
    543,685.14x = 815,628.10 × 178,967.36
  4. Step 4: Simplify right side
    543,685.14x = 145,970,807,798.82
  5. Step 5: Solve for x
    x = 145,970,807,798.82/543,685.14
  6. Step 6: Final answer
    x = 268,484.09

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