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Finding the Fourth Proportional to 1,198.47, 1,796.45 and 468.03

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Solution

The fourth proportional to 1,198.47, 1,796.45 and 468.03 is: 701.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198.47 : 1,796.45 = 468.03 : x
  2. Step 2: Convert to fraction form
    1,198.47/1,796.45 = 468.03/x
  3. Step 3: Cross multiply
    1,198.47x = 1,796.45 × 468.03
  4. Step 4: Simplify right side
    1,198.47x = 840,790.15
  5. Step 5: Solve for x
    x = 840,790.15/1,198.47
  6. Step 6: Final answer
    x = 701.55

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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.