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Finding the Fourth Proportional to 593.99, 819.65 and 331.95

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Solution

The fourth proportional to 593.99, 819.65 and 331.95 is: 458.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.99 : 819.65 = 331.95 : x
  2. Step 2: Convert to fraction form
    593.99/819.65 = 331.95/x
  3. Step 3: Cross multiply
    593.99x = 819.65 × 331.95
  4. Step 4: Simplify right side
    593.99x = 272,082.82
  5. Step 5: Solve for x
    x = 272,082.82/593.99
  6. Step 6: Final answer
    x = 458.06

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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.