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Finding the Fourth Proportional to 833.99, 1,250.84 and 469.49

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Solution

The fourth proportional to 833.99, 1,250.84 and 469.49 is: 704.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.99 : 1,250.84 = 469.49 : x
  2. Step 2: Convert to fraction form
    833.99/1,250.84 = 469.49/x
  3. Step 3: Cross multiply
    833.99x = 1,250.84 × 469.49
  4. Step 4: Simplify right side
    833.99x = 587,251.79
  5. Step 5: Solve for x
    x = 587,251.79/833.99
  6. Step 6: Final answer
    x = 704.15

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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.