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Finding the Fourth Proportional to 362,660.76, 543,436.92 and 152,183.88

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Solution

The fourth proportional to 362,660.76, 543,436.92 and 152,183.88 is: 228,043.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,660.76 : 543,436.92 = 152,183.88 : x
  2. Step 2: Convert to fraction form
    362,660.76/543,436.92 = 152,183.88/x
  3. Step 3: Cross multiply
    362,660.76x = 543,436.92 × 152,183.88
  4. Step 4: Simplify right side
    362,660.76x = 82,702,339,020.85
  5. Step 5: Solve for x
    x = 82,702,339,020.85/362,660.76
  6. Step 6: Final answer
    x = 228,043.25

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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.