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Finding the Fourth Proportional to 334.51, 461.66 and 251.47

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Solution

The fourth proportional to 334.51, 461.66 and 251.47 is: 347.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.51 : 461.66 = 251.47 : x
  2. Step 2: Convert to fraction form
    334.51/461.66 = 251.47/x
  3. Step 3: Cross multiply
    334.51x = 461.66 × 251.47
  4. Step 4: Simplify right side
    334.51x = 116,093.64
  5. Step 5: Solve for x
    x = 116,093.64/334.51
  6. Step 6: Final answer
    x = 347.06

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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.