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Finding the Fourth Proportional to 362,410.43, 543,375.70 and 172,900.04

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Solution

The fourth proportional to 362,410.43, 543,375.70 and 172,900.04 is: 259,235.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,410.43 : 543,375.70 = 172,900.04 : x
  2. Step 2: Convert to fraction form
    362,410.43/543,375.70 = 172,900.04/x
  3. Step 3: Cross multiply
    362,410.43x = 543,375.70 × 172,900.04
  4. Step 4: Simplify right side
    362,410.43x = 93,949,677,115.90
  5. Step 5: Solve for x
    x = 93,949,677,115.90/362,410.43
  6. Step 6: Final answer
    x = 259,235.58

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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.