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Finding the Fourth Proportional to 260.44, 359.32 and 190.59

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Solution

The fourth proportional to 260.44, 359.32 and 190.59 is: 262.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    260.44 : 359.32 = 190.59 : x
  2. Step 2: Convert to fraction form
    260.44/359.32 = 190.59/x
  3. Step 3: Cross multiply
    260.44x = 359.32 × 190.59
  4. Step 4: Simplify right side
    260.44x = 68,482.80
  5. Step 5: Solve for x
    x = 68,482.80/260.44
  6. Step 6: Final answer
    x = 262.95

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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.