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Finding the Fourth Proportional to 448.67, 673.00 and 267.23

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Solution

The fourth proportional to 448.67, 673.00 and 267.23 is: 400.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    448.67 : 673.00 = 267.23 : x
  2. Step 2: Convert to fraction form
    448.67/673.00 = 267.23/x
  3. Step 3: Cross multiply
    448.67x = 673.00 × 267.23
  4. Step 4: Simplify right side
    448.67x = 179,841.76
  5. Step 5: Solve for x
    x = 179,841.76/448.67
  6. Step 6: Final answer
    x = 400.84

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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.