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Finding the Fourth Proportional to 264.37, 396.57 and 161.59

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Solution

The fourth proportional to 264.37, 396.57 and 161.59 is: 242.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.37 : 396.57 = 161.59 : x
  2. Step 2: Convert to fraction form
    264.37/396.57 = 161.59/x
  3. Step 3: Cross multiply
    264.37x = 396.57 × 161.59
  4. Step 4: Simplify right side
    264.37x = 64,081.75
  5. Step 5: Solve for x
    x = 64,081.75/264.37
  6. Step 6: Final answer
    x = 242.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.