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Finding the Fourth Proportional to 593.04, 818.43 and 445.42

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Solution

The fourth proportional to 593.04, 818.43 and 445.42 is: 614.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.04 : 818.43 = 445.42 : x
  2. Step 2: Convert to fraction form
    593.04/818.43 = 445.42/x
  3. Step 3: Cross multiply
    593.04x = 818.43 × 445.42
  4. Step 4: Simplify right side
    593.04x = 364,545.09
  5. Step 5: Solve for x
    x = 364,545.09/593.04
  6. Step 6: Final answer
    x = 614.71

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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.