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Finding the Fourth Proportional to 293.02, 404.10 and 251.56

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Solution

The fourth proportional to 293.02, 404.10 and 251.56 is: 346.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.02 : 404.10 = 251.56 : x
  2. Step 2: Convert to fraction form
    293.02/404.10 = 251.56/x
  3. Step 3: Cross multiply
    293.02x = 404.10 × 251.56
  4. Step 4: Simplify right side
    293.02x = 101,655.40
  5. Step 5: Solve for x
    x = 101,655.40/293.02
  6. Step 6: Final answer
    x = 346.92

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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.