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Finding the Fourth Proportional to 449.44, 674.04 and 175.48

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Solution

The fourth proportional to 449.44, 674.04 and 175.48 is: 263.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    449.44 : 674.04 = 175.48 : x
  2. Step 2: Convert to fraction form
    449.44/674.04 = 175.48/x
  3. Step 3: Cross multiply
    449.44x = 674.04 × 175.48
  4. Step 4: Simplify right side
    449.44x = 118,280.54
  5. Step 5: Solve for x
    x = 118,280.54/449.44
  6. Step 6: Final answer
    x = 263.17

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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.