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Finding the Fourth Proportional to 451,206.73, 622,665.30 and 250,002.73

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Solution

The fourth proportional to 451,206.73, 622,665.30 and 250,002.73 is: 345,003.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,206.73 : 622,665.30 = 250,002.73 : x
  2. Step 2: Convert to fraction form
    451,206.73/622,665.30 = 250,002.73/x
  3. Step 3: Cross multiply
    451,206.73x = 622,665.30 × 250,002.73
  4. Step 4: Simplify right side
    451,206.73x = 155,668,024,876.27
  5. Step 5: Solve for x
    x = 155,668,024,876.27/451,206.73
  6. Step 6: Final answer
    x = 345,003.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.