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Finding the Fourth Proportional to 594.68, 820.67 and 329.13

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Solution

The fourth proportional to 594.68, 820.67 and 329.13 is: 454.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.68 : 820.67 = 329.13 : x
  2. Step 2: Convert to fraction form
    594.68/820.67 = 329.13/x
  3. Step 3: Cross multiply
    594.68x = 820.67 × 329.13
  4. Step 4: Simplify right side
    594.68x = 270,105.47
  5. Step 5: Solve for x
    x = 270,105.47/594.68
  6. Step 6: Final answer
    x = 454.21

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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.