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Finding the Fourth Proportional to 262.53, 395.17 and 237.40

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Solution

The fourth proportional to 262.53, 395.17 and 237.40 is: 357.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.53 : 395.17 = 237.40 : x
  2. Step 2: Convert to fraction form
    262.53/395.17 = 237.40/x
  3. Step 3: Cross multiply
    262.53x = 395.17 × 237.40
  4. Step 4: Simplify right side
    262.53x = 93,811.38
  5. Step 5: Solve for x
    x = 93,811.38/262.53
  6. Step 6: Final answer
    x = 357.34

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.