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Finding the Fourth Proportional to 588.29, 811.88 and 326.36

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Solution

The fourth proportional to 588.29, 811.88 and 326.36 is: 450.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.29 : 811.88 = 326.36 : x
  2. Step 2: Convert to fraction form
    588.29/811.88 = 326.36/x
  3. Step 3: Cross multiply
    588.29x = 811.88 × 326.36
  4. Step 4: Simplify right side
    588.29x = 264,961.91
  5. Step 5: Solve for x
    x = 264,961.91/588.29
  6. Step 6: Final answer
    x = 450.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.