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Finding the Fourth Proportional to 270.94, 406.66 and 232.54

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Solution

The fourth proportional to 270.94, 406.66 and 232.54 is: 349.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.94 : 406.66 = 232.54 : x
  2. Step 2: Convert to fraction form
    270.94/406.66 = 232.54/x
  3. Step 3: Cross multiply
    270.94x = 406.66 × 232.54
  4. Step 4: Simplify right side
    270.94x = 94,564.72
  5. Step 5: Solve for x
    x = 94,564.72/270.94
  6. Step 6: Final answer
    x = 349.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.