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Finding the Fourth Proportional to 446,893.20, 670,858.20 and 269,600.40

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Solution

The fourth proportional to 446,893.20, 670,858.20 and 269,600.40 is: 404,713.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,893.20 : 670,858.20 = 269,600.40 : x
  2. Step 2: Convert to fraction form
    446,893.20/670,858.20 = 269,600.40/x
  3. Step 3: Cross multiply
    446,893.20x = 670,858.20 × 269,600.40
  4. Step 4: Simplify right side
    446,893.20x = 180,863,639,063.28
  5. Step 5: Solve for x
    x = 180,863,639,063.28/446,893.20
  6. Step 6: Final answer
    x = 404,713.34

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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.