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Finding the Fourth Proportional to 594, 819.68 and 328.44

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Solution

The fourth proportional to 594, 819.68 and 328.44 is: 453.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    594 : 819.68 = 328.44 : x
  2. Step 2: Convert to fraction form
    594/819.68 = 328.44/x
  3. Step 3: Cross multiply
    594x = 819.68 × 328.44
  4. Step 4: Simplify right side
    594x = 269,215.70
  5. Step 5: Solve for x
    x = 269,215.70/594
  6. Step 6: Final answer
    x = 453.23

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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.