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Finding the Fourth Proportional to 244.84, 337.80 and 189.76

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Solution

The fourth proportional to 244.84, 337.80 and 189.76 is: 261.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.84 : 337.80 = 189.76 : x
  2. Step 2: Convert to fraction form
    244.84/337.80 = 189.76/x
  3. Step 3: Cross multiply
    244.84x = 337.80 × 189.76
  4. Step 4: Simplify right side
    244.84x = 64,100.93
  5. Step 5: Solve for x
    x = 64,100.93/244.84
  6. Step 6: Final answer
    x = 261.81

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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.