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Finding the Fourth Proportional to 451,630.80, 677,446.20 and 301,942.80

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Solution

The fourth proportional to 451,630.80, 677,446.20 and 301,942.80 is: 452,914.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,630.80 : 677,446.20 = 301,942.80 : x
  2. Step 2: Convert to fraction form
    451,630.80/677,446.20 = 301,942.80/x
  3. Step 3: Cross multiply
    451,630.80x = 677,446.20 × 301,942.80
  4. Step 4: Simplify right side
    451,630.80x = 204,550,002,477.36
  5. Step 5: Solve for x
    x = 204,550,002,477.36/451,630.80
  6. Step 6: Final answer
    x = 452,914.20

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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.