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Finding the Fourth Proportional to 512,736.56, 707,591.04 and 286,396.64

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Solution

The fourth proportional to 512,736.56, 707,591.04 and 286,396.64 is: 395,235.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,736.56 : 707,591.04 = 286,396.64 : x
  2. Step 2: Convert to fraction form
    512,736.56/707,591.04 = 286,396.64/x
  3. Step 3: Cross multiply
    512,736.56x = 707,591.04 × 286,396.64
  4. Step 4: Simplify right side
    512,736.56x = 202,651,696,350.11
  5. Step 5: Solve for x
    x = 202,651,696,350.11/512,736.56
  6. Step 6: Final answer
    x = 395,235.51

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