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Finding the Fourth Proportional to 446,843.20, 670,783.20 and 269,550.40

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Solution

The fourth proportional to 446,843.20, 670,783.20 and 269,550.40 is: 404,638.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,843.20 : 670,783.20 = 269,550.40 : x
  2. Step 2: Convert to fraction form
    446,843.20/670,783.20 = 269,550.40/x
  3. Step 3: Cross multiply
    446,843.20x = 670,783.20 × 269,550.40
  4. Step 4: Simplify right side
    446,843.20x = 180,809,879,873.28
  5. Step 5: Solve for x
    x = 180,809,879,873.28/446,843.20
  6. Step 6: Final answer
    x = 404,638.32

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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.