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Finding the Fourth Proportional to 398,245.02, 597,008.82 and 145,348.05

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Solution

The fourth proportional to 398,245.02, 597,008.82 and 145,348.05 is: 217,891.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,245.02 : 597,008.82 = 145,348.05 : x
  2. Step 2: Convert to fraction form
    398,245.02/597,008.82 = 145,348.05/x
  3. Step 3: Cross multiply
    398,245.02x = 597,008.82 × 145,348.05
  4. Step 4: Simplify right side
    398,245.02x = 86,774,067,819.80
  5. Step 5: Solve for x
    x = 86,774,067,819.80/398,245.02
  6. Step 6: Final answer
    x = 217,891.16

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