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Finding the Fourth Proportional to 588.44, 879.96 and 579.80

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Solution

The fourth proportional to 588.44, 879.96 and 579.80 is: 867.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.44 : 879.96 = 579.80 : x
  2. Step 2: Convert to fraction form
    588.44/879.96 = 579.80/x
  3. Step 3: Cross multiply
    588.44x = 879.96 × 579.80
  4. Step 4: Simplify right side
    588.44x = 510,200.81
  5. Step 5: Solve for x
    x = 510,200.81/588.44
  6. Step 6: Final answer
    x = 867.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.