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Finding the Fourth Proportional to 593.47, 818.98 and 331.48

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Solution

The fourth proportional to 593.47, 818.98 and 331.48 is: 457.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.47 : 818.98 = 331.48 : x
  2. Step 2: Convert to fraction form
    593.47/818.98 = 331.48/x
  3. Step 3: Cross multiply
    593.47x = 818.98 × 331.48
  4. Step 4: Simplify right side
    593.47x = 271,475.49
  5. Step 5: Solve for x
    x = 271,475.49/593.47
  6. Step 6: Final answer
    x = 457.44

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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.