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Finding the Fourth Proportional to 593.94, 819.61 and 331.91

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Solution

The fourth proportional to 593.94, 819.61 and 331.91 is: 458.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.94 : 819.61 = 331.91 : x
  2. Step 2: Convert to fraction form
    593.94/819.61 = 331.91/x
  3. Step 3: Cross multiply
    593.94x = 819.61 × 331.91
  4. Step 4: Simplify right side
    593.94x = 272,031.83
  5. Step 5: Solve for x
    x = 272,031.83/593.94
  6. Step 6: Final answer
    x = 458.01

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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.