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Finding the Fourth Proportional to 384,558.32, 530,687.56 and 223,507.76

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Solution

The fourth proportional to 384,558.32, 530,687.56 and 223,507.76 is: 308,439.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,558.32 : 530,687.56 = 223,507.76 : x
  2. Step 2: Convert to fraction form
    384,558.32/530,687.56 = 223,507.76/x
  3. Step 3: Cross multiply
    384,558.32x = 530,687.56 × 223,507.76
  4. Step 4: Simplify right side
    384,558.32x = 118,612,787,795.47
  5. Step 5: Solve for x
    x = 118,612,787,795.47/384,558.32
  6. Step 6: Final answer
    x = 308,439.01

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