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Finding the Fourth Proportional to 593.33, 818.78 and 331.34

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Solution

The fourth proportional to 593.33, 818.78 and 331.34 is: 457.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.33 : 818.78 = 331.34 : x
  2. Step 2: Convert to fraction form
    593.33/818.78 = 331.34/x
  3. Step 3: Cross multiply
    593.33x = 818.78 × 331.34
  4. Step 4: Simplify right side
    593.33x = 271,293.42
  5. Step 5: Solve for x
    x = 271,293.42/593.33
  6. Step 6: Final answer
    x = 457.24

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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.