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Finding the Fourth Proportional to 346,213.20, 519,319.80 and 159,589.20

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Solution

The fourth proportional to 346,213.20, 519,319.80 and 159,589.20 is: 239,383.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,213.20 : 519,319.80 = 159,589.20 : x
  2. Step 2: Convert to fraction form
    346,213.20/519,319.80 = 159,589.20/x
  3. Step 3: Cross multiply
    346,213.20x = 519,319.80 × 159,589.20
  4. Step 4: Simplify right side
    346,213.20x = 82,877,831,426.16
  5. Step 5: Solve for x
    x = 82,877,831,426.16/346,213.20
  6. Step 6: Final answer
    x = 239,383.80

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