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Finding the Fourth Proportional to 451,208.73, 622,668.06 and 250,004.73

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Solution

The fourth proportional to 451,208.73, 622,668.06 and 250,004.73 is: 345,006.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,208.73 : 622,668.06 = 250,004.73 : x
  2. Step 2: Convert to fraction form
    451,208.73/622,668.06 = 250,004.73/x
  3. Step 3: Cross multiply
    451,208.73x = 622,668.06 × 250,004.73
  4. Step 4: Simplify right side
    451,208.73x = 155,669,960,219.92
  5. Step 5: Solve for x
    x = 155,669,960,219.92/451,208.73
  6. Step 6: Final answer
    x = 345,006.53

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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.