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Finding the Fourth Proportional to 260.46, 359.39 and 144

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Solution

The fourth proportional to 260.46, 359.39 and 144 is: 198.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    260.46 : 359.39 = 144 : x
  2. Step 2: Convert to fraction form
    260.46/359.39 = 144/x
  3. Step 3: Cross multiply
    260.46x = 359.39 × 144
  4. Step 4: Simplify right side
    260.46x = 51,752.52
  5. Step 5: Solve for x
    x = 51,752.52/260.46
  6. Step 6: Final answer
    x = 198.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.