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Finding the Fourth Proportional to 263.10, 362.91 and 185.34

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Solution

The fourth proportional to 263.10, 362.91 and 185.34 is: 255.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.10 : 362.91 = 185.34 : x
  2. Step 2: Convert to fraction form
    263.10/362.91 = 185.34/x
  3. Step 3: Cross multiply
    263.10x = 362.91 × 185.34
  4. Step 4: Simplify right side
    263.10x = 67,261.74
  5. Step 5: Solve for x
    x = 67,261.74/263.10
  6. Step 6: Final answer
    x = 255.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.