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Finding the Fourth Proportional to 260.25, 358.94 and 177.27

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Solution

The fourth proportional to 260.25, 358.94 and 177.27 is: 244.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    260.25 : 358.94 = 177.27 : x
  2. Step 2: Convert to fraction form
    260.25/358.94 = 177.27/x
  3. Step 3: Cross multiply
    260.25x = 358.94 × 177.27
  4. Step 4: Simplify right side
    260.25x = 63,628.41
  5. Step 5: Solve for x
    x = 63,628.41/260.25
  6. Step 6: Final answer
    x = 244.49

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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.