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Finding the Fourth Proportional to 607.25, 910.88 and 174.41

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Solution

The fourth proportional to 607.25, 910.88 and 174.41 is: 261.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.25 : 910.88 = 174.41 : x
  2. Step 2: Convert to fraction form
    607.25/910.88 = 174.41/x
  3. Step 3: Cross multiply
    607.25x = 910.88 × 174.41
  4. Step 4: Simplify right side
    607.25x = 158,861.15
  5. Step 5: Solve for x
    x = 158,861.15/607.25
  6. Step 6: Final answer
    x = 261.61

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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.