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Finding the Fourth Proportional to 293.10, 439.77 and 162.93

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Solution

The fourth proportional to 293.10, 439.77 and 162.93 is: 244.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.10 : 439.77 = 162.93 : x
  2. Step 2: Convert to fraction form
    293.10/439.77 = 162.93/x
  3. Step 3: Cross multiply
    293.10x = 439.77 × 162.93
  4. Step 4: Simplify right side
    293.10x = 71,651.73
  5. Step 5: Solve for x
    x = 71,651.73/293.10
  6. Step 6: Final answer
    x = 244.46

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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.