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Finding the Fourth Proportional to 264.44, 395.58 and 155.60

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Solution

The fourth proportional to 264.44, 395.58 and 155.60 is: 232.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.44 : 395.58 = 155.60 : x
  2. Step 2: Convert to fraction form
    264.44/395.58 = 155.60/x
  3. Step 3: Cross multiply
    264.44x = 395.58 × 155.60
  4. Step 4: Simplify right side
    264.44x = 61,552.25
  5. Step 5: Solve for x
    x = 61,552.25/264.44
  6. Step 6: Final answer
    x = 232.76

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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.