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Finding the Fourth Proportional to 273.58, 409.46 and 230.24

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Solution

The fourth proportional to 273.58, 409.46 and 230.24 is: 344.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.58 : 409.46 = 230.24 : x
  2. Step 2: Convert to fraction form
    273.58/409.46 = 230.24/x
  3. Step 3: Cross multiply
    273.58x = 409.46 × 230.24
  4. Step 4: Simplify right side
    273.58x = 94,273.94
  5. Step 5: Solve for x
    x = 94,273.94/273.58
  6. Step 6: Final answer
    x = 344.60

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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.