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Finding the Fourth Proportional to 333.94, 461.04 and 223.51

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Solution

The fourth proportional to 333.94, 461.04 and 223.51 is: 308.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.94 : 461.04 = 223.51 : x
  2. Step 2: Convert to fraction form
    333.94/461.04 = 223.51/x
  3. Step 3: Cross multiply
    333.94x = 461.04 × 223.51
  4. Step 4: Simplify right side
    333.94x = 103,047.05
  5. Step 5: Solve for x
    x = 103,047.05/333.94
  6. Step 6: Final answer
    x = 308.58

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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.