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Finding the Fourth Proportional to 297,943.20, 446,914.80 and 275,198.40

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Solution

The fourth proportional to 297,943.20, 446,914.80 and 275,198.40 is: 412,797.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,943.20 : 446,914.80 = 275,198.40 : x
  2. Step 2: Convert to fraction form
    297,943.20/446,914.80 = 275,198.40/x
  3. Step 3: Cross multiply
    297,943.20x = 446,914.80 × 275,198.40
  4. Step 4: Simplify right side
    297,943.20x = 122,990,237,896.32
  5. Step 5: Solve for x
    x = 122,990,237,896.32/297,943.20
  6. Step 6: Final answer
    x = 412,797.60

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1.5x scale

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.