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Finding the Fourth Proportional to 284.74, 426.63 and 203.17

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Solution

The fourth proportional to 284.74, 426.63 and 203.17 is: 304.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    284.74 : 426.63 = 203.17 : x
  2. Step 2: Convert to fraction form
    284.74/426.63 = 203.17/x
  3. Step 3: Cross multiply
    284.74x = 426.63 × 203.17
  4. Step 4: Simplify right side
    284.74x = 86,678.42
  5. Step 5: Solve for x
    x = 86,678.42/284.74
  6. Step 6: Final answer
    x = 304.41

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