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Finding the Fourth Proportional to 432.18, 596.24 and 266.11

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Solution

The fourth proportional to 432.18, 596.24 and 266.11 is: 367.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.18 : 596.24 = 266.11 : x
  2. Step 2: Convert to fraction form
    432.18/596.24 = 266.11/x
  3. Step 3: Cross multiply
    432.18x = 596.24 × 266.11
  4. Step 4: Simplify right side
    432.18x = 158,663.19
  5. Step 5: Solve for x
    x = 158,663.19/432.18
  6. Step 6: Final answer
    x = 367.12

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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.