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Finding the Fourth Proportional to 590.92, 884.82 and 499.42

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Solution

The fourth proportional to 590.92, 884.82 and 499.42 is: 747.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.92 : 884.82 = 499.42 : x
  2. Step 2: Convert to fraction form
    590.92/884.82 = 499.42/x
  3. Step 3: Cross multiply
    590.92x = 884.82 × 499.42
  4. Step 4: Simplify right side
    590.92x = 441,896.80
  5. Step 5: Solve for x
    x = 441,896.80/590.92
  6. Step 6: Final answer
    x = 747.81

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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.