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Finding the Fourth Proportional to 404.17, 606.16 and 160.60

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Solution

The fourth proportional to 404.17, 606.16 and 160.60 is: 240.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.17 : 606.16 = 160.60 : x
  2. Step 2: Convert to fraction form
    404.17/606.16 = 160.60/x
  3. Step 3: Cross multiply
    404.17x = 606.16 × 160.60
  4. Step 4: Simplify right side
    404.17x = 97,349.30
  5. Step 5: Solve for x
    x = 97,349.30/404.17
  6. Step 6: Final answer
    x = 240.86

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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.