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Finding the Fourth Proportional to 440.78, 608.24 and 244.28

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Solution

The fourth proportional to 440.78, 608.24 and 244.28 is: 337.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    440.78 : 608.24 = 244.28 : x
  2. Step 2: Convert to fraction form
    440.78/608.24 = 244.28/x
  3. Step 3: Cross multiply
    440.78x = 608.24 × 244.28
  4. Step 4: Simplify right side
    440.78x = 148,583.00
  5. Step 5: Solve for x
    x = 148,583.00/440.78
  6. Step 6: Final answer
    x = 337.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.