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Finding the Fourth Proportional to 432.23, 596.43 and 235.73

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Solution

The fourth proportional to 432.23, 596.43 and 235.73 is: 325.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.23 : 596.43 = 235.73 : x
  2. Step 2: Convert to fraction form
    432.23/596.43 = 235.73/x
  3. Step 3: Cross multiply
    432.23x = 596.43 × 235.73
  4. Step 4: Simplify right side
    432.23x = 140,597.93
  5. Step 5: Solve for x
    x = 140,597.93/432.23
  6. Step 6: Final answer
    x = 325.29

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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.