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Finding the Fourth Proportional to 368.28, 508.25 and 210.92

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Solution

The fourth proportional to 368.28, 508.25 and 210.92 is: 291.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.28 : 508.25 = 210.92 : x
  2. Step 2: Convert to fraction form
    368.28/508.25 = 210.92/x
  3. Step 3: Cross multiply
    368.28x = 508.25 × 210.92
  4. Step 4: Simplify right side
    368.28x = 107,198.08
  5. Step 5: Solve for x
    x = 107,198.08/368.28
  6. Step 6: Final answer
    x = 291.08

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