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Finding the Fourth Proportional to 295.70, 443.27 and 151.38

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Solution

The fourth proportional to 295.70, 443.27 and 151.38 is: 226.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.70 : 443.27 = 151.38 : x
  2. Step 2: Convert to fraction form
    295.70/443.27 = 151.38/x
  3. Step 3: Cross multiply
    295.70x = 443.27 × 151.38
  4. Step 4: Simplify right side
    295.70x = 67,102.21
  5. Step 5: Solve for x
    x = 67,102.21/295.70
  6. Step 6: Final answer
    x = 226.93

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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.