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Finding the Fourth Proportional to 596.22, 893.79 and 287.88

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Solution

The fourth proportional to 596.22, 893.79 and 287.88 is: 431.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.22 : 893.79 = 287.88 : x
  2. Step 2: Convert to fraction form
    596.22/893.79 = 287.88/x
  3. Step 3: Cross multiply
    596.22x = 893.79 × 287.88
  4. Step 4: Simplify right side
    596.22x = 257,304.27
  5. Step 5: Solve for x
    x = 257,304.27/596.22
  6. Step 6: Final answer
    x = 431.56

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Why These Related Problems?

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