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Finding the Fourth Proportional to 593.35, 818.84 and 331.37

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Solution

The fourth proportional to 593.35, 818.84 and 331.37 is: 457.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.35 : 818.84 = 331.37 : x
  2. Step 2: Convert to fraction form
    593.35/818.84 = 331.37/x
  3. Step 3: Cross multiply
    593.35x = 818.84 × 331.37
  4. Step 4: Simplify right side
    593.35x = 271,336.14
  5. Step 5: Solve for x
    x = 271,336.14/593.35
  6. Step 6: Final answer
    x = 457.29

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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.