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Finding the Fourth Proportional to 451,207.73, 622,666.68 and 250,003.73

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Solution

The fourth proportional to 451,207.73, 622,666.68 and 250,003.73 is: 345,005.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,207.73 : 622,666.68 = 250,003.73 : x
  2. Step 2: Convert to fraction form
    451,207.73/622,666.68 = 250,003.73/x
  3. Step 3: Cross multiply
    451,207.73x = 622,666.68 × 250,003.73
  4. Step 4: Simplify right side
    451,207.73x = 155,668,992,546.72
  5. Step 5: Solve for x
    x = 155,668,992,546.72/451,207.73
  6. Step 6: Final answer
    x = 345,005.15

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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.