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Finding the Fourth Proportional to 445,845.60, 668,854.80 and 193,125.60

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Solution

The fourth proportional to 445,845.60, 668,854.80 and 193,125.60 is: 289,725.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,845.60 : 668,854.80 = 193,125.60 : x
  2. Step 2: Convert to fraction form
    445,845.60/668,854.80 = 193,125.60/x
  3. Step 3: Cross multiply
    445,845.60x = 668,854.80 × 193,125.60
  4. Step 4: Simplify right side
    445,845.60x = 129,172,984,562.88
  5. Step 5: Solve for x
    x = 129,172,984,562.88/445,845.60
  6. Step 6: Final answer
    x = 289,725.83

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