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Finding the Fourth Proportional to 543,824.40, 815,736.60 and 188,801.40

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Solution

The fourth proportional to 543,824.40, 815,736.60 and 188,801.40 is: 283,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,824.40 : 815,736.60 = 188,801.40 : x
  2. Step 2: Convert to fraction form
    543,824.40/815,736.60 = 188,801.40/x
  3. Step 3: Cross multiply
    543,824.40x = 815,736.60 × 188,801.40
  4. Step 4: Simplify right side
    543,824.40x = 154,012,212,111.24
  5. Step 5: Solve for x
    x = 154,012,212,111.24/543,824.40
  6. Step 6: Final answer
    x = 283,202.10

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