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Finding the Fourth Proportional to 431.96, 596.10 and 235.48

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Solution

The fourth proportional to 431.96, 596.10 and 235.48 is: 324.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    431.96 : 596.10 = 235.48 : x
  2. Step 2: Convert to fraction form
    431.96/596.10 = 235.48/x
  3. Step 3: Cross multiply
    431.96x = 596.10 × 235.48
  4. Step 4: Simplify right side
    431.96x = 140,367.25
  5. Step 5: Solve for x
    x = 140,367.25/431.96
  6. Step 6: Final answer
    x = 324.96

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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.