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Finding the Fourth Proportional to 244.63, 337.74 and 189.28

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Solution

The fourth proportional to 244.63, 337.74 and 189.28 is: 261.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.63 : 337.74 = 189.28 : x
  2. Step 2: Convert to fraction form
    244.63/337.74 = 189.28/x
  3. Step 3: Cross multiply
    244.63x = 337.74 × 189.28
  4. Step 4: Simplify right side
    244.63x = 63,927.43
  5. Step 5: Solve for x
    x = 63,927.43/244.63
  6. Step 6: Final answer
    x = 261.32

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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.