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Finding the Fourth Proportional to 300,394.22, 414,515.66 and 179,511.44

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Solution

The fourth proportional to 300,394.22, 414,515.66 and 179,511.44 is: 247,708.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,394.22 : 414,515.66 = 179,511.44 : x
  2. Step 2: Convert to fraction form
    300,394.22/414,515.66 = 179,511.44/x
  3. Step 3: Cross multiply
    300,394.22x = 414,515.66 × 179,511.44
  4. Step 4: Simplify right side
    300,394.22x = 74,410,303,029.15
  5. Step 5: Solve for x
    x = 74,410,303,029.15/300,394.22
  6. Step 6: Final answer
    x = 247,708.84

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1.5x scale

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.