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Finding the Fourth Proportional to 404.48, 606.28 and 160.88

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Solution

The fourth proportional to 404.48, 606.28 and 160.88 is: 241.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.48 : 606.28 = 160.88 : x
  2. Step 2: Convert to fraction form
    404.48/606.28 = 160.88/x
  3. Step 3: Cross multiply
    404.48x = 606.28 × 160.88
  4. Step 4: Simplify right side
    404.48x = 97,538.33
  5. Step 5: Solve for x
    x = 97,538.33/404.48
  6. Step 6: Final answer
    x = 241.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.