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Finding the Fourth Proportional to 255,635.80, 383,453.70 and 193,427.80

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Solution

The fourth proportional to 255,635.80, 383,453.70 and 193,427.80 is: 290,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,635.80 : 383,453.70 = 193,427.80 : x
  2. Step 2: Convert to fraction form
    255,635.80/383,453.70 = 193,427.80/x
  3. Step 3: Cross multiply
    255,635.80x = 383,453.70 × 193,427.80
  4. Step 4: Simplify right side
    255,635.80x = 74,170,605,592.86
  5. Step 5: Solve for x
    x = 74,170,605,592.86/255,635.80
  6. Step 6: Final answer
    x = 290,141.70

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