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Finding the Fourth Proportional to 593.28, 818.37 and 406.44

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Solution

The fourth proportional to 593.28, 818.37 and 406.44 is: 560.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.28 : 818.37 = 406.44 : x
  2. Step 2: Convert to fraction form
    593.28/818.37 = 406.44/x
  3. Step 3: Cross multiply
    593.28x = 818.37 × 406.44
  4. Step 4: Simplify right side
    593.28x = 332,618.30
  5. Step 5: Solve for x
    x = 332,618.30/593.28
  6. Step 6: Final answer
    x = 560.64

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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.