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Finding the Fourth Proportional to 588.14, 811.57 and 326.15

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Solution

The fourth proportional to 588.14, 811.57 and 326.15 is: 450.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.14 : 811.57 = 326.15 : x
  2. Step 2: Convert to fraction form
    588.14/811.57 = 326.15/x
  3. Step 3: Cross multiply
    588.14x = 811.57 × 326.15
  4. Step 4: Simplify right side
    588.14x = 264,687.87
  5. Step 5: Solve for x
    x = 264,687.87/588.14
  6. Step 6: Final answer
    x = 450.05

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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.