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Finding the Fourth Proportional to 400, 552.06 and 244.84

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Solution

The fourth proportional to 400, 552.06 and 244.84 is: 337.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    400 : 552.06 = 244.84 : x
  2. Step 2: Convert to fraction form
    400/552.06 = 244.84/x
  3. Step 3: Cross multiply
    400x = 552.06 × 244.84
  4. Step 4: Simplify right side
    400x = 135,166.37
  5. Step 5: Solve for x
    x = 135,166.37/400
  6. Step 6: Final answer
    x = 337.92

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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.