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Finding the Fourth Proportional to 593.16, 818.56 and 331.19

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Solution

The fourth proportional to 593.16, 818.56 and 331.19 is: 457.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.16 : 818.56 = 331.19 : x
  2. Step 2: Convert to fraction form
    593.16/818.56 = 331.19/x
  3. Step 3: Cross multiply
    593.16x = 818.56 × 331.19
  4. Step 4: Simplify right side
    593.16x = 271,098.89
  5. Step 5: Solve for x
    x = 271,098.89/593.16
  6. Step 6: Final answer
    x = 457.04

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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.