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Finding the Fourth Proportional to 293.57, 404.84 and 227.07

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Solution

The fourth proportional to 293.57, 404.84 and 227.07 is: 313.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.57 : 404.84 = 227.07 : x
  2. Step 2: Convert to fraction form
    293.57/404.84 = 227.07/x
  3. Step 3: Cross multiply
    293.57x = 404.84 × 227.07
  4. Step 4: Simplify right side
    293.57x = 91,927.02
  5. Step 5: Solve for x
    x = 91,927.02/293.57
  6. Step 6: Final answer
    x = 313.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.