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Finding the Fourth Proportional to 574.92, 793.62 and 342

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Solution

The fourth proportional to 574.92, 793.62 and 342 is: 472.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.92 : 793.62 = 342 : x
  2. Step 2: Convert to fraction form
    574.92/793.62 = 342/x
  3. Step 3: Cross multiply
    574.92x = 793.62 × 342
  4. Step 4: Simplify right side
    574.92x = 271,418.04
  5. Step 5: Solve for x
    x = 271,418.04/574.92
  6. Step 6: Final answer
    x = 472.10

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