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Finding the Fourth Proportional to 590.15, 884.67 and 243.27

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Solution

The fourth proportional to 590.15, 884.67 and 243.27 is: 364.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.15 : 884.67 = 243.27 : x
  2. Step 2: Convert to fraction form
    590.15/884.67 = 243.27/x
  3. Step 3: Cross multiply
    590.15x = 884.67 × 243.27
  4. Step 4: Simplify right side
    590.15x = 215,213.67
  5. Step 5: Solve for x
    x = 215,213.67/590.15
  6. Step 6: Final answer
    x = 364.68

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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.