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Finding the Fourth Proportional to 362,989.20, 544,046.40 and 185,404.80

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Solution

The fourth proportional to 362,989.20, 544,046.40 and 185,404.80 is: 277,883.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,989.20 : 544,046.40 = 185,404.80 : x
  2. Step 2: Convert to fraction form
    362,989.20/544,046.40 = 185,404.80/x
  3. Step 3: Cross multiply
    362,989.20x = 544,046.40 × 185,404.80
  4. Step 4: Simplify right side
    362,989.20x = 100,868,813,982.72
  5. Step 5: Solve for x
    x = 100,868,813,982.72/362,989.20
  6. Step 6: Final answer
    x = 277,883.79

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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.