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Finding the Fourth Proportional to 394,610.67, 544,429.49 and 224,724.51

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Solution

The fourth proportional to 394,610.67, 544,429.49 and 224,724.51 is: 310,043.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,610.67 : 544,429.49 = 224,724.51 : x
  2. Step 2: Convert to fraction form
    394,610.67/544,429.49 = 224,724.51/x
  3. Step 3: Cross multiply
    394,610.67x = 544,429.49 × 224,724.51
  4. Step 4: Simplify right side
    394,610.67x = 122,346,649,246.18
  5. Step 5: Solve for x
    x = 122,346,649,246.18/394,610.67
  6. Step 6: Final answer
    x = 310,043.95

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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.