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Finding the Fourth Proportional to 375,256.26, 517,857.82 and 203,178.04

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Solution

The fourth proportional to 375,256.26, 517,857.82 and 203,178.04 is: 280,387.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,256.26 : 517,857.82 = 203,178.04 : x
  2. Step 2: Convert to fraction form
    375,256.26/517,857.82 = 203,178.04/x
  3. Step 3: Cross multiply
    375,256.26x = 517,857.82 × 203,178.04
  4. Step 4: Simplify right side
    375,256.26x = 105,217,336,866.27
  5. Step 5: Solve for x
    x = 105,217,336,866.27/375,256.26
  6. Step 6: Final answer
    x = 280,387.96

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