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Finding the Fourth Proportional to 607.37, 910.92 and 174.56

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Solution

The fourth proportional to 607.37, 910.92 and 174.56 is: 261.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.37 : 910.92 = 174.56 : x
  2. Step 2: Convert to fraction form
    607.37/910.92 = 174.56/x
  3. Step 3: Cross multiply
    607.37x = 910.92 × 174.56
  4. Step 4: Simplify right side
    607.37x = 159,010.20
  5. Step 5: Solve for x
    x = 159,010.20/607.37
  6. Step 6: Final answer
    x = 261.80

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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.