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Finding the Fourth Proportional to 593.86, 819.54 and 331.90

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Solution

The fourth proportional to 593.86, 819.54 and 331.90 is: 458.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.86 : 819.54 = 331.90 : x
  2. Step 2: Convert to fraction form
    593.86/819.54 = 331.90/x
  3. Step 3: Cross multiply
    593.86x = 819.54 × 331.90
  4. Step 4: Simplify right side
    593.86x = 272,005.33
  5. Step 5: Solve for x
    x = 272,005.33/593.86
  6. Step 6: Final answer
    x = 458.03

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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.