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Finding the Fourth Proportional to 448.91, 673.36 and 174.95

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Solution

The fourth proportional to 448.91, 673.36 and 174.95 is: 262.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    448.91 : 673.36 = 174.95 : x
  2. Step 2: Convert to fraction form
    448.91/673.36 = 174.95/x
  3. Step 3: Cross multiply
    448.91x = 673.36 × 174.95
  4. Step 4: Simplify right side
    448.91x = 117,804.33
  5. Step 5: Solve for x
    x = 117,804.33/448.91
  6. Step 6: Final answer
    x = 262.42

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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.