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Finding the Fourth Proportional to 295.76, 443.69 and 133.46

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Solution

The fourth proportional to 295.76, 443.69 and 133.46 is: 200.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.76 : 443.69 = 133.46 : x
  2. Step 2: Convert to fraction form
    295.76/443.69 = 133.46/x
  3. Step 3: Cross multiply
    295.76x = 443.69 × 133.46
  4. Step 4: Simplify right side
    295.76x = 59,211.98
  5. Step 5: Solve for x
    x = 59,211.98/295.76
  6. Step 6: Final answer
    x = 200.21

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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.