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Finding the Fourth Proportional to 593.43, 818.80 and 344.61

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Solution

The fourth proportional to 593.43, 818.80 and 344.61 is: 475.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.43 : 818.80 = 344.61 : x
  2. Step 2: Convert to fraction form
    593.43/818.80 = 344.61/x
  3. Step 3: Cross multiply
    593.43x = 818.80 × 344.61
  4. Step 4: Simplify right side
    593.43x = 282,161.93
  5. Step 5: Solve for x
    x = 282,161.93/593.43
  6. Step 6: Final answer
    x = 475.47

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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.