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Finding the Fourth Proportional to 295.79, 443.27 and 133.11

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Solution

The fourth proportional to 295.79, 443.27 and 133.11 is: 199.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.79 : 443.27 = 133.11 : x
  2. Step 2: Convert to fraction form
    295.79/443.27 = 133.11/x
  3. Step 3: Cross multiply
    295.79x = 443.27 × 133.11
  4. Step 4: Simplify right side
    295.79x = 59,004.00
  5. Step 5: Solve for x
    x = 59,004.00/295.79
  6. Step 6: Final answer
    x = 199.48

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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.