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Finding the Fourth Proportional to 596.41, 822.85 and 386.75

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Solution

The fourth proportional to 596.41, 822.85 and 386.75 is: 533.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.41 : 822.85 = 386.75 : x
  2. Step 2: Convert to fraction form
    596.41/822.85 = 386.75/x
  3. Step 3: Cross multiply
    596.41x = 822.85 × 386.75
  4. Step 4: Simplify right side
    596.41x = 318,237.24
  5. Step 5: Solve for x
    x = 318,237.24/596.41
  6. Step 6: Final answer
    x = 533.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.