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Finding the Fourth Proportional to 593.10, 818.36 and 331.08

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Solution

The fourth proportional to 593.10, 818.36 and 331.08 is: 456.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.10 : 818.36 = 331.08 : x
  2. Step 2: Convert to fraction form
    593.10/818.36 = 331.08/x
  3. Step 3: Cross multiply
    593.10x = 818.36 × 331.08
  4. Step 4: Simplify right side
    593.10x = 270,942.63
  5. Step 5: Solve for x
    x = 270,942.63/593.10
  6. Step 6: Final answer
    x = 456.82

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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.