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Finding the Fourth Proportional to 471,548.64, 650,736.72 and 256,688.40

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Solution

The fourth proportional to 471,548.64, 650,736.72 and 256,688.40 is: 354,229.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,548.64 : 650,736.72 = 256,688.40 : x
  2. Step 2: Convert to fraction form
    471,548.64/650,736.72 = 256,688.40/x
  3. Step 3: Cross multiply
    471,548.64x = 650,736.72 × 256,688.40
  4. Step 4: Simplify right side
    471,548.64x = 167,036,567,478.05
  5. Step 5: Solve for x
    x = 167,036,567,478.05/471,548.64
  6. Step 6: Final answer
    x = 354,229.77

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