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Finding the Fourth Proportional to 422,251.80, 633,485.70 and 297,835.80

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Solution

The fourth proportional to 422,251.80, 633,485.70 and 297,835.80 is: 446,829.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,251.80 : 633,485.70 = 297,835.80 : x
  2. Step 2: Convert to fraction form
    422,251.80/633,485.70 = 297,835.80/x
  3. Step 3: Cross multiply
    422,251.80x = 633,485.70 × 297,835.80
  4. Step 4: Simplify right side
    422,251.80x = 188,674,720,248.06
  5. Step 5: Solve for x
    x = 188,674,720,248.06/422,251.80
  6. Step 6: Final answer
    x = 446,829.88

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