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Finding the Fourth Proportional to 295.35, 443.34 and 261.33

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Solution

The fourth proportional to 295.35, 443.34 and 261.33 is: 392.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.35 : 443.34 = 261.33 : x
  2. Step 2: Convert to fraction form
    295.35/443.34 = 261.33/x
  3. Step 3: Cross multiply
    295.35x = 443.34 × 261.33
  4. Step 4: Simplify right side
    295.35x = 115,858.04
  5. Step 5: Solve for x
    x = 115,858.04/295.35
  6. Step 6: Final answer
    x = 392.27

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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.