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Finding the Fourth Proportional to 293.10, 404.43 and 176.64

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Solution

The fourth proportional to 293.10, 404.43 and 176.64 is: 243.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.10 : 404.43 = 176.64 : x
  2. Step 2: Convert to fraction form
    293.10/404.43 = 176.64/x
  3. Step 3: Cross multiply
    293.10x = 404.43 × 176.64
  4. Step 4: Simplify right side
    293.10x = 71,438.52
  5. Step 5: Solve for x
    x = 71,438.52/293.10
  6. Step 6: Final answer
    x = 243.73

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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.