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Finding the Fourth Proportional to 593.39, 818.61 and 357.27

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Solution

The fourth proportional to 593.39, 818.61 and 357.27 is: 492.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.39 : 818.61 = 357.27 : x
  2. Step 2: Convert to fraction form
    593.39/818.61 = 357.27/x
  3. Step 3: Cross multiply
    593.39x = 818.61 × 357.27
  4. Step 4: Simplify right side
    593.39x = 292,464.79
  5. Step 5: Solve for x
    x = 292,464.79/593.39
  6. Step 6: Final answer
    x = 492.88

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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.