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Finding the Fourth Proportional to 1,198.35, 1,797.74 and 467.89

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Solution

The fourth proportional to 1,198.35, 1,797.74 and 467.89 is: 701.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198.35 : 1,797.74 = 467.89 : x
  2. Step 2: Convert to fraction form
    1,198.35/1,797.74 = 467.89/x
  3. Step 3: Cross multiply
    1,198.35x = 1,797.74 × 467.89
  4. Step 4: Simplify right side
    1,198.35x = 841,144.57
  5. Step 5: Solve for x
    x = 841,144.57/1,198.35
  6. Step 6: Final answer
    x = 701.92

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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.