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Finding the Fourth Proportional to 544,038.40, 816,187.20 and 263,324.80

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Solution

The fourth proportional to 544,038.40, 816,187.20 and 263,324.80 is: 395,049.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,038.40 : 816,187.20 = 263,324.80 : x
  2. Step 2: Convert to fraction form
    544,038.40/816,187.20 = 263,324.80/x
  3. Step 3: Cross multiply
    544,038.40x = 816,187.20 × 263,324.80
  4. Step 4: Simplify right side
    544,038.40x = 214,922,331,202.56
  5. Step 5: Solve for x
    x = 214,922,331,202.56/544,038.40
  6. Step 6: Final answer
    x = 395,049.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.