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Finding the Fourth Proportional to 439.17, 606.03 and 252.63

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Solution

The fourth proportional to 439.17, 606.03 and 252.63 is: 348.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    439.17 : 606.03 = 252.63 : x
  2. Step 2: Convert to fraction form
    439.17/606.03 = 252.63/x
  3. Step 3: Cross multiply
    439.17x = 606.03 × 252.63
  4. Step 4: Simplify right side
    439.17x = 153,101.36
  5. Step 5: Solve for x
    x = 153,101.36/439.17
  6. Step 6: Final answer
    x = 348.62

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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.