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Finding the Fourth Proportional to 432.43, 596.76 and 235.95

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Solution

The fourth proportional to 432.43, 596.76 and 235.95 is: 325.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.43 : 596.76 = 235.95 : x
  2. Step 2: Convert to fraction form
    432.43/596.76 = 235.95/x
  3. Step 3: Cross multiply
    432.43x = 596.76 × 235.95
  4. Step 4: Simplify right side
    432.43x = 140,802.40
  5. Step 5: Solve for x
    x = 140,802.40/432.43
  6. Step 6: Final answer
    x = 325.61

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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.