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Finding the Fourth Proportional to 264.49, 395.74 and 158.56

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Solution

The fourth proportional to 264.49, 395.74 and 158.56 is: 237.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.49 : 395.74 = 158.56 : x
  2. Step 2: Convert to fraction form
    264.49/395.74 = 158.56/x
  3. Step 3: Cross multiply
    264.49x = 395.74 × 158.56
  4. Step 4: Simplify right side
    264.49x = 62,747.15
  5. Step 5: Solve for x
    x = 62,747.15/264.49
  6. Step 6: Final answer
    x = 237.24

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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.