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Finding the Fourth Proportional to 295.12, 443.22 and 223.48

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Solution

The fourth proportional to 295.12, 443.22 and 223.48 is: 335.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.12 : 443.22 = 223.48 : x
  2. Step 2: Convert to fraction form
    295.12/443.22 = 223.48/x
  3. Step 3: Cross multiply
    295.12x = 443.22 × 223.48
  4. Step 4: Simplify right side
    295.12x = 99,050.81
  5. Step 5: Solve for x
    x = 99,050.81/295.12
  6. Step 6: Final answer
    x = 335.63

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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.