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Finding the Fourth Proportional to 446,962.40, 670,443.60 and 267,336.80

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Solution

The fourth proportional to 446,962.40, 670,443.60 and 267,336.80 is: 401,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,962.40 : 670,443.60 = 267,336.80 : x
  2. Step 2: Convert to fraction form
    446,962.40/670,443.60 = 267,336.80/x
  3. Step 3: Cross multiply
    446,962.40x = 670,443.60 × 267,336.80
  4. Step 4: Simplify right side
    446,962.40x = 179,234,246,604.48
  5. Step 5: Solve for x
    x = 179,234,246,604.48/446,962.40
  6. Step 6: Final answer
    x = 401,005.20

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Similar ratio
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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.