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Finding the Fourth Proportional to 293.28, 404.68 and 176.84

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Solution

The fourth proportional to 293.28, 404.68 and 176.84 is: 244.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.28 : 404.68 = 176.84 : x
  2. Step 2: Convert to fraction form
    293.28/404.68 = 176.84/x
  3. Step 3: Cross multiply
    293.28x = 404.68 × 176.84
  4. Step 4: Simplify right side
    293.28x = 71,563.61
  5. Step 5: Solve for x
    x = 71,563.61/293.28
  6. Step 6: Final answer
    x = 244.01

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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.