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Finding the Fourth Proportional to 833.91, 1,249.44 and 467.79

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Solution

The fourth proportional to 833.91, 1,249.44 and 467.79 is: 700.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.91 : 1,249.44 = 467.79 : x
  2. Step 2: Convert to fraction form
    833.91/1,249.44 = 467.79/x
  3. Step 3: Cross multiply
    833.91x = 1,249.44 × 467.79
  4. Step 4: Simplify right side
    833.91x = 584,475.54
  5. Step 5: Solve for x
    x = 584,475.54/833.91
  6. Step 6: Final answer
    x = 700.89

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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.