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Finding the Fourth Proportional to 262.97, 395.06 and 154.83

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Solution

The fourth proportional to 262.97, 395.06 and 154.83 is: 232.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.97 : 395.06 = 154.83 : x
  2. Step 2: Convert to fraction form
    262.97/395.06 = 154.83/x
  3. Step 3: Cross multiply
    262.97x = 395.06 × 154.83
  4. Step 4: Simplify right side
    262.97x = 61,167.14
  5. Step 5: Solve for x
    x = 61,167.14/262.97
  6. Step 6: Final answer
    x = 232.60

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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.