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Finding the Fourth Proportional to 263.70, 364.08 and 185.46

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Solution

The fourth proportional to 263.70, 364.08 and 185.46 is: 256.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.70 : 364.08 = 185.46 : x
  2. Step 2: Convert to fraction form
    263.70/364.08 = 185.46/x
  3. Step 3: Cross multiply
    263.70x = 364.08 × 185.46
  4. Step 4: Simplify right side
    263.70x = 67,522.28
  5. Step 5: Solve for x
    x = 67,522.28/263.70
  6. Step 6: Final answer
    x = 256.06

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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.