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Finding the Fourth Proportional to 248.37, 342.93 and 232.89

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Solution

The fourth proportional to 248.37, 342.93 and 232.89 is: 321.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.37 : 342.93 = 232.89 : x
  2. Step 2: Convert to fraction form
    248.37/342.93 = 232.89/x
  3. Step 3: Cross multiply
    248.37x = 342.93 × 232.89
  4. Step 4: Simplify right side
    248.37x = 79,864.97
  5. Step 5: Solve for x
    x = 79,864.97/248.37
  6. Step 6: Final answer
    x = 321.56

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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.