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Finding the Fourth Proportional to 448,688.89, 619,198.05 and 244,739.80

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Solution

The fourth proportional to 448,688.89, 619,198.05 and 244,739.80 is: 337,744.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,688.89 : 619,198.05 = 244,739.80 : x
  2. Step 2: Convert to fraction form
    448,688.89/619,198.05 = 244,739.80/x
  3. Step 3: Cross multiply
    448,688.89x = 619,198.05 × 244,739.80
  4. Step 4: Simplify right side
    448,688.89x = 151,542,406,917.39
  5. Step 5: Solve for x
    x = 151,542,406,917.39/448,688.89
  6. Step 6: Final answer
    x = 337,744.95

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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.