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Finding the Fourth Proportional to 594.96, 821.34 and 396.13

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Solution

The fourth proportional to 594.96, 821.34 and 396.13 is: 546.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.96 : 821.34 = 396.13 : x
  2. Step 2: Convert to fraction form
    594.96/821.34 = 396.13/x
  3. Step 3: Cross multiply
    594.96x = 821.34 × 396.13
  4. Step 4: Simplify right side
    594.96x = 325,355.75
  5. Step 5: Solve for x
    x = 325,355.75/594.96
  6. Step 6: Final answer
    x = 546.85

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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.