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Finding the Fourth Proportional to 362,550.20, 543,825.30 and 308,895.80

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Solution

The fourth proportional to 362,550.20, 543,825.30 and 308,895.80 is: 463,343.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,550.20 : 543,825.30 = 308,895.80 : x
  2. Step 2: Convert to fraction form
    362,550.20/543,825.30 = 308,895.80/x
  3. Step 3: Cross multiply
    362,550.20x = 543,825.30 × 308,895.80
  4. Step 4: Simplify right side
    362,550.20x = 167,985,351,103.74
  5. Step 5: Solve for x
    x = 167,985,351,103.74/362,550.20
  6. Step 6: Final answer
    x = 463,343.70

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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.