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Finding the Fourth Proportional to 451,204.73, 622,662.54 and 250,000.73

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Solution

The fourth proportional to 451,204.73, 622,662.54 and 250,000.73 is: 345,001.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,204.73 : 622,662.54 = 250,000.73 : x
  2. Step 2: Convert to fraction form
    451,204.73/622,662.54 = 250,000.73/x
  3. Step 3: Cross multiply
    451,204.73x = 622,662.54 × 250,000.73
  4. Step 4: Simplify right side
    451,204.73x = 155,666,089,543.65
  5. Step 5: Solve for x
    x = 155,666,089,543.65/451,204.73
  6. Step 6: Final answer
    x = 345,001.01

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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.