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Finding the Fourth Proportional to 295.52, 443.29 and 141.46

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Solution

The fourth proportional to 295.52, 443.29 and 141.46 is: 212.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.52 : 443.29 = 141.46 : x
  2. Step 2: Convert to fraction form
    295.52/443.29 = 141.46/x
  3. Step 3: Cross multiply
    295.52x = 443.29 × 141.46
  4. Step 4: Simplify right side
    295.52x = 62,707.80
  5. Step 5: Solve for x
    x = 62,707.80/295.52
  6. Step 6: Final answer
    x = 212.19

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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.