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Finding the Fourth Proportional to 334.18, 461.04 and 223.54

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Solution

The fourth proportional to 334.18, 461.04 and 223.54 is: 308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.18 : 461.04 = 223.54 : x
  2. Step 2: Convert to fraction form
    334.18/461.04 = 223.54/x
  3. Step 3: Cross multiply
    334.18x = 461.04 × 223.54
  4. Step 4: Simplify right side
    334.18x = 103,060.88
  5. Step 5: Solve for x
    x = 103,060.88/334.18
  6. Step 6: Final answer
    x = 308.40

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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.