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Finding the Fourth Proportional to 588.57, 812.08 and 326.59

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Solution

The fourth proportional to 588.57, 812.08 and 326.59 is: 450.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.57 : 812.08 = 326.59 : x
  2. Step 2: Convert to fraction form
    588.57/812.08 = 326.59/x
  3. Step 3: Cross multiply
    588.57x = 812.08 × 326.59
  4. Step 4: Simplify right side
    588.57x = 265,214.36
  5. Step 5: Solve for x
    x = 265,214.36/588.57
  6. Step 6: Final answer
    x = 450.61

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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.