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Finding the Fourth Proportional to 281,690.44, 388,506.44 and 247,626.42

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Solution

The fourth proportional to 281,690.44, 388,506.44 and 247,626.42 is: 341,525.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,690.44 : 388,506.44 = 247,626.42 : x
  2. Step 2: Convert to fraction form
    281,690.44/388,506.44 = 247,626.42/x
  3. Step 3: Cross multiply
    281,690.44x = 388,506.44 × 247,626.42
  4. Step 4: Simplify right side
    281,690.44x = 96,204,458,884.14
  5. Step 5: Solve for x
    x = 96,204,458,884.14/281,690.44
  6. Step 6: Final answer
    x = 341,525.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.