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Finding the Fourth Proportional to 444,617.54, 613,649.76 and 263,431.48

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Solution

The fourth proportional to 444,617.54, 613,649.76 and 263,431.48 is: 363,581.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,617.54 : 613,649.76 = 263,431.48 : x
  2. Step 2: Convert to fraction form
    444,617.54/613,649.76 = 263,431.48/x
  3. Step 3: Cross multiply
    444,617.54x = 613,649.76 × 263,431.48
  4. Step 4: Simplify right side
    444,617.54x = 161,654,664,478.45
  5. Step 5: Solve for x
    x = 161,654,664,478.45/444,617.54
  6. Step 6: Final answer
    x = 363,581.39

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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.