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Finding the Fourth Proportional to 283.22, 424.17 and 273.50

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Solution

The fourth proportional to 283.22, 424.17 and 273.50 is: 409.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    283.22 : 424.17 = 273.50 : x
  2. Step 2: Convert to fraction form
    283.22/424.17 = 273.50/x
  3. Step 3: Cross multiply
    283.22x = 424.17 × 273.50
  4. Step 4: Simplify right side
    283.22x = 116,008.37
  5. Step 5: Solve for x
    x = 116,008.37/283.22
  6. Step 6: Final answer
    x = 409.61

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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.