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Finding the Fourth Proportional to 431,186.94, 646,780.41 and 165,029.04

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Solution

The fourth proportional to 431,186.94, 646,780.41 and 165,029.04 is: 247,543.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,186.94 : 646,780.41 = 165,029.04 : x
  2. Step 2: Convert to fraction form
    431,186.94/646,780.41 = 165,029.04/x
  3. Step 3: Cross multiply
    431,186.94x = 646,780.41 × 165,029.04
  4. Step 4: Simplify right side
    431,186.94x = 106,737,550,153.11
  5. Step 5: Solve for x
    x = 106,737,550,153.11/431,186.94
  6. Step 6: Final answer
    x = 247,543.56

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