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Finding the Fourth Proportional to 593.96, 890.14 and 388.44

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Solution

The fourth proportional to 593.96, 890.14 and 388.44 is: 582.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.96 : 890.14 = 388.44 : x
  2. Step 2: Convert to fraction form
    593.96/890.14 = 388.44/x
  3. Step 3: Cross multiply
    593.96x = 890.14 × 388.44
  4. Step 4: Simplify right side
    593.96x = 345,765.98
  5. Step 5: Solve for x
    x = 345,765.98/593.96
  6. Step 6: Final answer
    x = 582.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.