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Finding the Fourth Proportional to 249.96, 373 and 225.68

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Solution

The fourth proportional to 249.96, 373 and 225.68 is: 336.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.96 : 373 = 225.68 : x
  2. Step 2: Convert to fraction form
    249.96/373 = 225.68/x
  3. Step 3: Cross multiply
    249.96x = 373 × 225.68
  4. Step 4: Simplify right side
    249.96x = 84,178.64
  5. Step 5: Solve for x
    x = 84,178.64/249.96
  6. Step 6: Final answer
    x = 336.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.