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Finding the Fourth Proportional to 594, 819.69 and 331.97

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Solution

The fourth proportional to 594, 819.69 and 331.97 is: 458.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    594 : 819.69 = 331.97 : x
  2. Step 2: Convert to fraction form
    594/819.69 = 331.97/x
  3. Step 3: Cross multiply
    594x = 819.69 × 331.97
  4. Step 4: Simplify right side
    594x = 272,112.49
  5. Step 5: Solve for x
    x = 272,112.49/594
  6. Step 6: Final answer
    x = 458.10

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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.