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Finding the Fourth Proportional to 456,118.28, 629,543.15 and 265,241.78

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Solution

The fourth proportional to 456,118.28, 629,543.15 and 265,241.78 is: 366,091.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,118.28 : 629,543.15 = 265,241.78 : x
  2. Step 2: Convert to fraction form
    456,118.28/629,543.15 = 265,241.78/x
  3. Step 3: Cross multiply
    456,118.28x = 629,543.15 × 265,241.78
  4. Step 4: Simplify right side
    456,118.28x = 166,981,145,692.81
  5. Step 5: Solve for x
    x = 166,981,145,692.81/456,118.28
  6. Step 6: Final answer
    x = 366,091.76

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