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Finding the Fourth Proportional to 585.29, 807.79 and 336.61

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Solution

The fourth proportional to 585.29, 807.79 and 336.61 is: 464.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.29 : 807.79 = 336.61 : x
  2. Step 2: Convert to fraction form
    585.29/807.79 = 336.61/x
  3. Step 3: Cross multiply
    585.29x = 807.79 × 336.61
  4. Step 4: Simplify right side
    585.29x = 271,905.48
  5. Step 5: Solve for x
    x = 271,905.48/585.29
  6. Step 6: Final answer
    x = 464.56

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