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Finding the Fourth Proportional to 564.44, 846.18 and 239.63

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Solution

The fourth proportional to 564.44, 846.18 and 239.63 is: 359.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.44 : 846.18 = 239.63 : x
  2. Step 2: Convert to fraction form
    564.44/846.18 = 239.63/x
  3. Step 3: Cross multiply
    564.44x = 846.18 × 239.63
  4. Step 4: Simplify right side
    564.44x = 202,765.88
  5. Step 5: Solve for x
    x = 202,765.88/564.44
  6. Step 6: Final answer
    x = 359.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.