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Finding the Fourth Proportional to 293.48, 405.03 and 234.93

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Solution

The fourth proportional to 293.48, 405.03 and 234.93 is: 324.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.48 : 405.03 = 234.93 : x
  2. Step 2: Convert to fraction form
    293.48/405.03 = 234.93/x
  3. Step 3: Cross multiply
    293.48x = 405.03 × 234.93
  4. Step 4: Simplify right side
    293.48x = 95,153.70
  5. Step 5: Solve for x
    x = 95,153.70/293.48
  6. Step 6: Final answer
    x = 324.23

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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.