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Finding the Fourth Proportional to 362,483.20, 543,797.70 and 303,725.80

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Solution

The fourth proportional to 362,483.20, 543,797.70 and 303,725.80 is: 455,649.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,483.20 : 543,797.70 = 303,725.80 : x
  2. Step 2: Convert to fraction form
    362,483.20/543,797.70 = 303,725.80/x
  3. Step 3: Cross multiply
    362,483.20x = 543,797.70 × 303,725.80
  4. Step 4: Simplify right side
    362,483.20x = 165,165,391,470.66
  5. Step 5: Solve for x
    x = 165,165,391,470.66/362,483.20
  6. Step 6: Final answer
    x = 455,649.78

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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.