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Finding the Fourth Proportional to 323.33, 446.77 and 258.37

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Solution

The fourth proportional to 323.33, 446.77 and 258.37 is: 357.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.33 : 446.77 = 258.37 : x
  2. Step 2: Convert to fraction form
    323.33/446.77 = 258.37/x
  3. Step 3: Cross multiply
    323.33x = 446.77 × 258.37
  4. Step 4: Simplify right side
    323.33x = 115,431.96
  5. Step 5: Solve for x
    x = 115,431.96/323.33
  6. Step 6: Final answer
    x = 357.01

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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.