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Finding the Fourth Proportional to 593.72, 819.38 and 331.74

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Solution

The fourth proportional to 593.72, 819.38 and 331.74 is: 457.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.72 : 819.38 = 331.74 : x
  2. Step 2: Convert to fraction form
    593.72/819.38 = 331.74/x
  3. Step 3: Cross multiply
    593.72x = 819.38 × 331.74
  4. Step 4: Simplify right side
    593.72x = 271,821.12
  5. Step 5: Solve for x
    x = 271,821.12/593.72
  6. Step 6: Final answer
    x = 457.83

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Double scale
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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.