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Finding the Fourth Proportional to 333.95, 461.16 and 251.33

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Solution

The fourth proportional to 333.95, 461.16 and 251.33 is: 347.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.95 : 461.16 = 251.33 : x
  2. Step 2: Convert to fraction form
    333.95/461.16 = 251.33/x
  3. Step 3: Cross multiply
    333.95x = 461.16 × 251.33
  4. Step 4: Simplify right side
    333.95x = 115,901.04
  5. Step 5: Solve for x
    x = 115,901.04/333.95
  6. Step 6: Final answer
    x = 347.07

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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.