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Finding the Fourth Proportional to 449.22, 673.41 and 175.32

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Solution

The fourth proportional to 449.22, 673.41 and 175.32 is: 262.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    449.22 : 673.41 = 175.32 : x
  2. Step 2: Convert to fraction form
    449.22/673.41 = 175.32/x
  3. Step 3: Cross multiply
    449.22x = 673.41 × 175.32
  4. Step 4: Simplify right side
    449.22x = 118,062.24
  5. Step 5: Solve for x
    x = 118,062.24/449.22
  6. Step 6: Final answer
    x = 262.82

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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.