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Finding the Fourth Proportional to 295.65, 443.48 and 133.38

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Solution

The fourth proportional to 295.65, 443.48 and 133.38 is: 200.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.65 : 443.48 = 133.38 : x
  2. Step 2: Convert to fraction form
    295.65/443.48 = 133.38/x
  3. Step 3: Cross multiply
    295.65x = 443.48 × 133.38
  4. Step 4: Simplify right side
    295.65x = 59,150.70
  5. Step 5: Solve for x
    x = 59,150.70/295.65
  6. Step 6: Final answer
    x = 200.07

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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.