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Finding the Fourth Proportional to 446,200.20, 668,393.10 and 277,201.80

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Solution

The fourth proportional to 446,200.20, 668,393.10 and 277,201.80 is: 415,239.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,200.20 : 668,393.10 = 277,201.80 : x
  2. Step 2: Convert to fraction form
    446,200.20/668,393.10 = 277,201.80/x
  3. Step 3: Cross multiply
    446,200.20x = 668,393.10 × 277,201.80
  4. Step 4: Simplify right side
    446,200.20x = 185,279,770,427.58
  5. Step 5: Solve for x
    x = 185,279,770,427.58/446,200.20
  6. Step 6: Final answer
    x = 415,239.10

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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.