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Finding the Fourth Proportional to 362,410.05, 543,375.13 and 172,899.66

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Solution

The fourth proportional to 362,410.05, 543,375.13 and 172,899.66 is: 259,235.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,410.05 : 543,375.13 = 172,899.66 : x
  2. Step 2: Convert to fraction form
    362,410.05/543,375.13 = 172,899.66/x
  3. Step 3: Cross multiply
    362,410.05x = 543,375.13 × 172,899.66
  4. Step 4: Simplify right side
    362,410.05x = 93,949,374,797.21
  5. Step 5: Solve for x
    x = 93,949,374,797.21/362,410.05
  6. Step 6: Final answer
    x = 259,235.02

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1.5x scale

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.