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Finding the Fourth Proportional to 593.86, 819.36 and 357.88

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Solution

The fourth proportional to 593.86, 819.36 and 357.88 is: 493.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.86 : 819.36 = 357.88 : x
  2. Step 2: Convert to fraction form
    593.86/819.36 = 357.88/x
  3. Step 3: Cross multiply
    593.86x = 819.36 × 357.88
  4. Step 4: Simplify right side
    593.86x = 293,232.56
  5. Step 5: Solve for x
    x = 293,232.56/593.86
  6. Step 6: Final answer
    x = 493.77

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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.