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Finding the Fourth Proportional to 397,605.60, 596,204.10 and 117,086.40

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Solution

The fourth proportional to 397,605.60, 596,204.10 and 117,086.40 is: 175,569.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,605.60 : 596,204.10 = 117,086.40 : x
  2. Step 2: Convert to fraction form
    397,605.60/596,204.10 = 117,086.40/x
  3. Step 3: Cross multiply
    397,605.60x = 596,204.10 × 117,086.40
  4. Step 4: Simplify right side
    397,605.60x = 69,807,391,734.24
  5. Step 5: Solve for x
    x = 69,807,391,734.24/397,605.60
  6. Step 6: Final answer
    x = 175,569.44

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