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Finding the Fourth Proportional to 611,596.44, 916,976.16 and 311,496.30

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Solution

The fourth proportional to 611,596.44, 916,976.16 and 311,496.30 is: 467,031.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,596.44 : 916,976.16 = 311,496.30 : x
  2. Step 2: Convert to fraction form
    611,596.44/916,976.16 = 311,496.30/x
  3. Step 3: Cross multiply
    611,596.44x = 916,976.16 × 311,496.30
  4. Step 4: Simplify right side
    611,596.44x = 285,634,681,028.21
  5. Step 5: Solve for x
    x = 285,634,681,028.21/611,596.44
  6. Step 6: Final answer
    x = 467,031.30

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