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Finding the Fourth Proportional to 588.48, 812.12 and 326.52

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Solution

The fourth proportional to 588.48, 812.12 and 326.52 is: 450.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.48 : 812.12 = 326.52 : x
  2. Step 2: Convert to fraction form
    588.48/812.12 = 326.52/x
  3. Step 3: Cross multiply
    588.48x = 812.12 × 326.52
  4. Step 4: Simplify right side
    588.48x = 265,171.79
  5. Step 5: Solve for x
    x = 265,171.79/588.48
  6. Step 6: Final answer
    x = 450.60

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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.