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Finding the Fourth Proportional to 293.67, 439.88 and 190.62

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Solution

The fourth proportional to 293.67, 439.88 and 190.62 is: 285.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.67 : 439.88 = 190.62 : x
  2. Step 2: Convert to fraction form
    293.67/439.88 = 190.62/x
  3. Step 3: Cross multiply
    293.67x = 439.88 × 190.62
  4. Step 4: Simplify right side
    293.67x = 83,848.97
  5. Step 5: Solve for x
    x = 83,848.97/293.67
  6. Step 6: Final answer
    x = 285.52

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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.