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Finding the Fourth Proportional to 593.37, 818.79 and 331.35

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Solution

The fourth proportional to 593.37, 818.79 and 331.35 is: 457.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.37 : 818.79 = 331.35 : x
  2. Step 2: Convert to fraction form
    593.37/818.79 = 331.35/x
  3. Step 3: Cross multiply
    593.37x = 818.79 × 331.35
  4. Step 4: Simplify right side
    593.37x = 271,306.07
  5. Step 5: Solve for x
    x = 271,306.07/593.37
  6. Step 6: Final answer
    x = 457.23

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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.