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Finding the Fourth Proportional to 446,755.44, 670,131.86 and 180,512.85

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Solution

The fourth proportional to 446,755.44, 670,131.86 and 180,512.85 is: 270,768.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,755.44 : 670,131.86 = 180,512.85 : x
  2. Step 2: Convert to fraction form
    446,755.44/670,131.86 = 180,512.85/x
  3. Step 3: Cross multiply
    446,755.44x = 670,131.86 × 180,512.85
  4. Step 4: Simplify right side
    446,755.44x = 120,967,411,021.84
  5. Step 5: Solve for x
    x = 120,967,411,021.84/446,755.44
  6. Step 6: Final answer
    x = 270,768.75

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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.