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Finding the Fourth Proportional to 432.56, 596.90 and 236.06

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Solution

The fourth proportional to 432.56, 596.90 and 236.06 is: 325.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.56 : 596.90 = 236.06 : x
  2. Step 2: Convert to fraction form
    432.56/596.90 = 236.06/x
  3. Step 3: Cross multiply
    432.56x = 596.90 × 236.06
  4. Step 4: Simplify right side
    432.56x = 140,900.05
  5. Step 5: Solve for x
    x = 140,900.05/432.56
  6. Step 6: Final answer
    x = 325.74

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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.