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Finding the Fourth Proportional to 593.51, 819.06 and 331.55

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Solution

The fourth proportional to 593.51, 819.06 and 331.55 is: 457.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.51 : 819.06 = 331.55 : x
  2. Step 2: Convert to fraction form
    593.51/819.06 = 331.55/x
  3. Step 3: Cross multiply
    593.51x = 819.06 × 331.55
  4. Step 4: Simplify right side
    593.51x = 271,555.25
  5. Step 5: Solve for x
    x = 271,555.25/593.51
  6. Step 6: Final answer
    x = 457.54

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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.