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Finding the Fourth Proportional to 427,621.56, 590,077.64 and 255,505.26

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Solution

The fourth proportional to 427,621.56, 590,077.64 and 255,505.26 is: 352,573.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,621.56 : 590,077.64 = 255,505.26 : x
  2. Step 2: Convert to fraction form
    427,621.56/590,077.64 = 255,505.26/x
  3. Step 3: Cross multiply
    427,621.56x = 590,077.64 × 255,505.26
  4. Step 4: Simplify right side
    427,621.56x = 150,767,940,828.39
  5. Step 5: Solve for x
    x = 150,767,940,828.39/427,621.56
  6. Step 6: Final answer
    x = 352,573.29

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