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Finding the Fourth Proportional to 593.92, 819.58 and 357.81

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Solution

The fourth proportional to 593.92, 819.58 and 357.81 is: 493.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.92 : 819.58 = 357.81 : x
  2. Step 2: Convert to fraction form
    593.92/819.58 = 357.81/x
  3. Step 3: Cross multiply
    593.92x = 819.58 × 357.81
  4. Step 4: Simplify right side
    593.92x = 293,253.92
  5. Step 5: Solve for x
    x = 293,253.92/593.92
  6. Step 6: Final answer
    x = 493.76

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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.