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Finding the Fourth Proportional to 432.27, 596.58 and 266.49

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Solution

The fourth proportional to 432.27, 596.58 and 266.49 is: 367.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.27 : 596.58 = 266.49 : x
  2. Step 2: Convert to fraction form
    432.27/596.58 = 266.49/x
  3. Step 3: Cross multiply
    432.27x = 596.58 × 266.49
  4. Step 4: Simplify right side
    432.27x = 158,982.60
  5. Step 5: Solve for x
    x = 158,982.60/432.27
  6. Step 6: Final answer
    x = 367.79

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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.