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Finding the Fourth Proportional to 404.24, 606.48 and 188.08

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Solution

The fourth proportional to 404.24, 606.48 and 188.08 is: 282.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.24 : 606.48 = 188.08 : x
  2. Step 2: Convert to fraction form
    404.24/606.48 = 188.08/x
  3. Step 3: Cross multiply
    404.24x = 606.48 × 188.08
  4. Step 4: Simplify right side
    404.24x = 114,066.76
  5. Step 5: Solve for x
    x = 114,066.76/404.24
  6. Step 6: Final answer
    x = 282.18

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