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Finding the Fourth Proportional to 339,745.60, 510,007.20 and 199,583.20

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Solution

The fourth proportional to 339,745.60, 510,007.20 and 199,583.20 is: 299,603.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,745.60 : 510,007.20 = 199,583.20 : x
  2. Step 2: Convert to fraction form
    339,745.60/510,007.20 = 199,583.20/x
  3. Step 3: Cross multiply
    339,745.60x = 510,007.20 × 199,583.20
  4. Step 4: Simplify right side
    339,745.60x = 101,788,868,999.04
  5. Step 5: Solve for x
    x = 101,788,868,999.04/339,745.60
  6. Step 6: Final answer
    x = 299,603.20

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