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Finding the Fourth Proportional to 544,589.92, 816,923.94 and 145,228.60

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Solution

The fourth proportional to 544,589.92, 816,923.94 and 145,228.60 is: 217,853.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,589.92 : 816,923.94 = 145,228.60 : x
  2. Step 2: Convert to fraction form
    544,589.92/816,923.94 = 145,228.60/x
  3. Step 3: Cross multiply
    544,589.92x = 816,923.94 × 145,228.60
  4. Step 4: Simplify right side
    544,589.92x = 118,640,720,112.68
  5. Step 5: Solve for x
    x = 118,640,720,112.68/544,589.92
  6. Step 6: Final answer
    x = 217,853.32

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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.