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Finding the Fourth Proportional to 463.41, 693.39 and 397.56

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Solution

The fourth proportional to 463.41, 693.39 and 397.56 is: 594.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.41 : 693.39 = 397.56 : x
  2. Step 2: Convert to fraction form
    463.41/693.39 = 397.56/x
  3. Step 3: Cross multiply
    463.41x = 693.39 × 397.56
  4. Step 4: Simplify right side
    463.41x = 275,664.13
  5. Step 5: Solve for x
    x = 275,664.13/463.41
  6. Step 6: Final answer
    x = 594.86

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.