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Finding the Fourth Proportional to 593.08, 818.51 and 331.11

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Solution

The fourth proportional to 593.08, 818.51 and 331.11 is: 456.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.08 : 818.51 = 331.11 : x
  2. Step 2: Convert to fraction form
    593.08/818.51 = 331.11/x
  3. Step 3: Cross multiply
    593.08x = 818.51 × 331.11
  4. Step 4: Simplify right side
    593.08x = 271,015.19
  5. Step 5: Solve for x
    x = 271,015.19/593.08
  6. Step 6: Final answer
    x = 456.96

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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.