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Finding the Fourth Proportional to 451,204.61, 622,662.38 and 250,000.61

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Solution

The fourth proportional to 451,204.61, 622,662.38 and 250,000.61 is: 345,000.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,204.61 : 622,662.38 = 250,000.61 : x
  2. Step 2: Convert to fraction form
    451,204.61/622,662.38 = 250,000.61/x
  3. Step 3: Cross multiply
    451,204.61x = 622,662.38 × 250,000.61
  4. Step 4: Simplify right side
    451,204.61x = 155,665,970,460.74
  5. Step 5: Solve for x
    x = 155,665,970,460.74/451,204.61
  6. Step 6: Final answer
    x = 345,000.85

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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.