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Finding the Fourth Proportional to 588.56, 812.22 and 326.60

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Solution

The fourth proportional to 588.56, 812.22 and 326.60 is: 450.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.56 : 812.22 = 326.60 : x
  2. Step 2: Convert to fraction form
    588.56/812.22 = 326.60/x
  3. Step 3: Cross multiply
    588.56x = 812.22 × 326.60
  4. Step 4: Simplify right side
    588.56x = 265,271.05
  5. Step 5: Solve for x
    x = 265,271.05/588.56
  6. Step 6: Final answer
    x = 450.71

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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.