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Finding the Fourth Proportional to 362,435.80, 543,653.70 and 212,747.80

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Solution

The fourth proportional to 362,435.80, 543,653.70 and 212,747.80 is: 319,121.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,435.80 : 543,653.70 = 212,747.80 : x
  2. Step 2: Convert to fraction form
    362,435.80/543,653.70 = 212,747.80/x
  3. Step 3: Cross multiply
    362,435.80x = 543,653.70 × 212,747.80
  4. Step 4: Simplify right side
    362,435.80x = 115,661,128,636.86
  5. Step 5: Solve for x
    x = 115,661,128,636.86/362,435.80
  6. Step 6: Final answer
    x = 319,121.70

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