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Finding the Fourth Proportional to 244.35, 336.29 and 212.76

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Solution

The fourth proportional to 244.35, 336.29 and 212.76 is: 292.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.35 : 336.29 = 212.76 : x
  2. Step 2: Convert to fraction form
    244.35/336.29 = 212.76/x
  3. Step 3: Cross multiply
    244.35x = 336.29 × 212.76
  4. Step 4: Simplify right side
    244.35x = 71,548.00
  5. Step 5: Solve for x
    x = 71,548.00/244.35
  6. Step 6: Final answer
    x = 292.81

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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.