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Finding the Fourth Proportional to 176.32, 263.31 and 174.41

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Solution

The fourth proportional to 176.32, 263.31 and 174.41 is: 260.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.32 : 263.31 = 174.41 : x
  2. Step 2: Convert to fraction form
    176.32/263.31 = 174.41/x
  3. Step 3: Cross multiply
    176.32x = 263.31 × 174.41
  4. Step 4: Simplify right side
    176.32x = 45,924.56
  5. Step 5: Solve for x
    x = 45,924.56/176.32
  6. Step 6: Final answer
    x = 260.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.