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Finding the Fourth Proportional to 269.02, 403.46 and 151.97

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Solution

The fourth proportional to 269.02, 403.46 and 151.97 is: 227.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.02 : 403.46 = 151.97 : x
  2. Step 2: Convert to fraction form
    269.02/403.46 = 151.97/x
  3. Step 3: Cross multiply
    269.02x = 403.46 × 151.97
  4. Step 4: Simplify right side
    269.02x = 61,313.06
  5. Step 5: Solve for x
    x = 61,313.06/269.02
  6. Step 6: Final answer
    x = 227.92

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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.