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Finding the Fourth Proportional to 593.22, 818.55 and 331.23

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Solution

The fourth proportional to 593.22, 818.55 and 331.23 is: 457.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.22 : 818.55 = 331.23 : x
  2. Step 2: Convert to fraction form
    593.22/818.55 = 331.23/x
  3. Step 3: Cross multiply
    593.22x = 818.55 × 331.23
  4. Step 4: Simplify right side
    593.22x = 271,128.32
  5. Step 5: Solve for x
    x = 271,128.32/593.22
  6. Step 6: Final answer
    x = 457.05

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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.