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Finding the Fourth Proportional to 593.01, 818.31 and 331.02

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Solution

The fourth proportional to 593.01, 818.31 and 331.02 is: 456.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.01 : 818.31 = 331.02 : x
  2. Step 2: Convert to fraction form
    593.01/818.31 = 331.02/x
  3. Step 3: Cross multiply
    593.01x = 818.31 × 331.02
  4. Step 4: Simplify right side
    593.01x = 270,872.88
  5. Step 5: Solve for x
    x = 270,872.88/593.01
  6. Step 6: Final answer
    x = 456.78

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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.