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Finding the Fourth Proportional to 293.06, 404.39 and 162.06

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Solution

The fourth proportional to 293.06, 404.39 and 162.06 is: 223.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.06 : 404.39 = 162.06 : x
  2. Step 2: Convert to fraction form
    293.06/404.39 = 162.06/x
  3. Step 3: Cross multiply
    293.06x = 404.39 × 162.06
  4. Step 4: Simplify right side
    293.06x = 65,533.42
  5. Step 5: Solve for x
    x = 65,533.42/293.06
  6. Step 6: Final answer
    x = 223.62

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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.