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Finding the Fourth Proportional to 590.22, 814.44 and 341.55

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Solution

The fourth proportional to 590.22, 814.44 and 341.55 is: 471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.22 : 814.44 = 341.55 : x
  2. Step 2: Convert to fraction form
    590.22/814.44 = 341.55/x
  3. Step 3: Cross multiply
    590.22x = 814.44 × 341.55
  4. Step 4: Simplify right side
    590.22x = 278,171.98
  5. Step 5: Solve for x
    x = 278,171.98/590.22
  6. Step 6: Final answer
    x = 471.30

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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.