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Finding the Fourth Proportional to 362,599.80, 543,899.70 and 325,858.20

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Solution

The fourth proportional to 362,599.80, 543,899.70 and 325,858.20 is: 488,787.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,599.80 : 543,899.70 = 325,858.20 : x
  2. Step 2: Convert to fraction form
    362,599.80/543,899.70 = 325,858.20/x
  3. Step 3: Cross multiply
    362,599.80x = 543,899.70 × 325,858.20
  4. Step 4: Simplify right side
    362,599.80x = 177,234,177,222.54
  5. Step 5: Solve for x
    x = 177,234,177,222.54/362,599.80
  6. Step 6: Final answer
    x = 488,787.30

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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.