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Finding the Fourth Proportional to 293.24, 404.70 and 266.96

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Solution

The fourth proportional to 293.24, 404.70 and 266.96 is: 368.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.24 : 404.70 = 266.96 : x
  2. Step 2: Convert to fraction form
    293.24/404.70 = 266.96/x
  3. Step 3: Cross multiply
    293.24x = 404.70 × 266.96
  4. Step 4: Simplify right side
    293.24x = 108,038.71
  5. Step 5: Solve for x
    x = 108,038.71/293.24
  6. Step 6: Final answer
    x = 368.43

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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.