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Finding the Fourth Proportional to 568,236.36, 784,154.68 and 310,118.43

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Solution

The fourth proportional to 568,236.36, 784,154.68 and 310,118.43 is: 427,957.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,236.36 : 784,154.68 = 310,118.43 : x
  2. Step 2: Convert to fraction form
    568,236.36/784,154.68 = 310,118.43/x
  3. Step 3: Cross multiply
    568,236.36x = 784,154.68 × 310,118.43
  4. Step 4: Simplify right side
    568,236.36x = 243,180,818,238.75
  5. Step 5: Solve for x
    x = 243,180,818,238.75/568,236.36
  6. Step 6: Final answer
    x = 427,957.16

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