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Finding the Fourth Proportional to 564.39, 846.26 and 217.62

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Solution

The fourth proportional to 564.39, 846.26 and 217.62 is: 326.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.39 : 846.26 = 217.62 : x
  2. Step 2: Convert to fraction form
    564.39/846.26 = 217.62/x
  3. Step 3: Cross multiply
    564.39x = 846.26 × 217.62
  4. Step 4: Simplify right side
    564.39x = 184,162.01
  5. Step 5: Solve for x
    x = 184,162.01/564.39
  6. Step 6: Final answer
    x = 326.30

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