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Finding the Fourth Proportional to 249.60, 373.76 and 236.16

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Solution

The fourth proportional to 249.60, 373.76 and 236.16 is: 353.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.60 : 373.76 = 236.16 : x
  2. Step 2: Convert to fraction form
    249.60/373.76 = 236.16/x
  3. Step 3: Cross multiply
    249.60x = 373.76 × 236.16
  4. Step 4: Simplify right side
    249.60x = 88,267.16
  5. Step 5: Solve for x
    x = 88,267.16/249.60
  6. Step 6: Final answer
    x = 353.63

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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.