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Finding the Fourth Proportional to 590.96, 884.20 and 379.92

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Solution

The fourth proportional to 590.96, 884.20 and 379.92 is: 568.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.96 : 884.20 = 379.92 : x
  2. Step 2: Convert to fraction form
    590.96/884.20 = 379.92/x
  3. Step 3: Cross multiply
    590.96x = 884.20 × 379.92
  4. Step 4: Simplify right side
    590.96x = 335,925.26
  5. Step 5: Solve for x
    x = 335,925.26/590.96
  6. Step 6: Final answer
    x = 568.44

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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.