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Finding the Fourth Proportional to 455,014.04, 682,229.44 and 188,958.20

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Solution

The fourth proportional to 455,014.04, 682,229.44 and 188,958.20 is: 283,316.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,014.04 : 682,229.44 = 188,958.20 : x
  2. Step 2: Convert to fraction form
    455,014.04/682,229.44 = 188,958.20/x
  3. Step 3: Cross multiply
    455,014.04x = 682,229.44 × 188,958.20
  4. Step 4: Simplify right side
    455,014.04x = 128,912,846,969.41
  5. Step 5: Solve for x
    x = 128,912,846,969.41/455,014.04
  6. Step 6: Final answer
    x = 283,316.20

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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.