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Finding the Fourth Proportional to 432.12, 596.33 and 266.23

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Solution

The fourth proportional to 432.12, 596.33 and 266.23 is: 367.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.12 : 596.33 = 266.23 : x
  2. Step 2: Convert to fraction form
    432.12/596.33 = 266.23/x
  3. Step 3: Cross multiply
    432.12x = 596.33 × 266.23
  4. Step 4: Simplify right side
    432.12x = 158,760.94
  5. Step 5: Solve for x
    x = 158,760.94/432.12
  6. Step 6: Final answer
    x = 367.40

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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.