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Finding the Fourth Proportional to 588.35, 813.09 and 483.29

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Solution

The fourth proportional to 588.35, 813.09 and 483.29 is: 667.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.35 : 813.09 = 483.29 : x
  2. Step 2: Convert to fraction form
    588.35/813.09 = 483.29/x
  3. Step 3: Cross multiply
    588.35x = 813.09 × 483.29
  4. Step 4: Simplify right side
    588.35x = 392,958.27
  5. Step 5: Solve for x
    x = 392,958.27/588.35
  6. Step 6: Final answer
    x = 667.90

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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.