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Finding the Fourth Proportional to 404.02, 605.92 and 160.54

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Solution

The fourth proportional to 404.02, 605.92 and 160.54 is: 240.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.02 : 605.92 = 160.54 : x
  2. Step 2: Convert to fraction form
    404.02/605.92 = 160.54/x
  3. Step 3: Cross multiply
    404.02x = 605.92 × 160.54
  4. Step 4: Simplify right side
    404.02x = 97,274.40
  5. Step 5: Solve for x
    x = 97,274.40/404.02
  6. Step 6: Final answer
    x = 240.77

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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.