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Finding the Fourth Proportional to 833.04, 1,249.92 and 448.56

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Solution

The fourth proportional to 833.04, 1,249.92 and 448.56 is: 673.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.04 : 1,249.92 = 448.56 : x
  2. Step 2: Convert to fraction form
    833.04/1,249.92 = 448.56/x
  3. Step 3: Cross multiply
    833.04x = 1,249.92 × 448.56
  4. Step 4: Simplify right side
    833.04x = 560,664.12
  5. Step 5: Solve for x
    x = 560,664.12/833.04
  6. Step 6: Final answer
    x = 673.03

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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.