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Finding the Fourth Proportional to 432.42, 596.74 and 235.93

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Solution

The fourth proportional to 432.42, 596.74 and 235.93 is: 325.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.42 : 596.74 = 235.93 : x
  2. Step 2: Convert to fraction form
    432.42/596.74 = 235.93/x
  3. Step 3: Cross multiply
    432.42x = 596.74 × 235.93
  4. Step 4: Simplify right side
    432.42x = 140,791.53
  5. Step 5: Solve for x
    x = 140,791.53/432.42
  6. Step 6: Final answer
    x = 325.59

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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.