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Finding the Fourth Proportional to 295.48, 443.24 and 141.47

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Solution

The fourth proportional to 295.48, 443.24 and 141.47 is: 212.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.48 : 443.24 = 141.47 : x
  2. Step 2: Convert to fraction form
    295.48/443.24 = 141.47/x
  3. Step 3: Cross multiply
    295.48x = 443.24 × 141.47
  4. Step 4: Simplify right side
    295.48x = 62,704.46
  5. Step 5: Solve for x
    x = 62,704.46/295.48
  6. Step 6: Final answer
    x = 212.22

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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.