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Finding the Fourth Proportional to 328.48, 453.09 and 241

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Solution

The fourth proportional to 328.48, 453.09 and 241 is: 332.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    328.48 : 453.09 = 241 : x
  2. Step 2: Convert to fraction form
    328.48/453.09 = 241/x
  3. Step 3: Cross multiply
    328.48x = 453.09 × 241
  4. Step 4: Simplify right side
    328.48x = 109,194.69
  5. Step 5: Solve for x
    x = 109,194.69/328.48
  6. Step 6: Final answer
    x = 332.42

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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.