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Finding the Fourth Proportional to 593.27, 818.56 and 357.31

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Solution

The fourth proportional to 593.27, 818.56 and 357.31 is: 492.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.27 : 818.56 = 357.31 : x
  2. Step 2: Convert to fraction form
    593.27/818.56 = 357.31/x
  3. Step 3: Cross multiply
    593.27x = 818.56 × 357.31
  4. Step 4: Simplify right side
    593.27x = 292,479.13
  5. Step 5: Solve for x
    x = 292,479.13/593.27
  6. Step 6: Final answer
    x = 492.99

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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.