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Finding the Fourth Proportional to 365.94, 548.46 and 170.69

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Solution

The fourth proportional to 365.94, 548.46 and 170.69 is: 255.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.94 : 548.46 = 170.69 : x
  2. Step 2: Convert to fraction form
    365.94/548.46 = 170.69/x
  3. Step 3: Cross multiply
    365.94x = 548.46 × 170.69
  4. Step 4: Simplify right side
    365.94x = 93,613.90
  5. Step 5: Solve for x
    x = 93,613.90/365.94
  6. Step 6: Final answer
    x = 255.82

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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.