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Finding the Fourth Proportional to 386,315.26, 579,388.38 and 196,574.38

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Solution

The fourth proportional to 386,315.26, 579,388.38 and 196,574.38 is: 294,818.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,315.26 : 579,388.38 = 196,574.38 : x
  2. Step 2: Convert to fraction form
    386,315.26/579,388.38 = 196,574.38/x
  3. Step 3: Cross multiply
    386,315.26x = 579,388.38 × 196,574.38
  4. Step 4: Simplify right side
    386,315.26x = 113,892,911,577.70
  5. Step 5: Solve for x
    x = 113,892,911,577.70/386,315.26
  6. Step 6: Final answer
    x = 294,818.57

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