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Finding the Fourth Proportional to 300,655.95, 451,025.46 and 101,033.43

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Solution

The fourth proportional to 300,655.95, 451,025.46 and 101,033.43 is: 151,564.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,655.95 : 451,025.46 = 101,033.43 : x
  2. Step 2: Convert to fraction form
    300,655.95/451,025.46 = 101,033.43/x
  3. Step 3: Cross multiply
    300,655.95x = 451,025.46 × 101,033.43
  4. Step 4: Simplify right side
    300,655.95x = 45,568,649,241.13
  5. Step 5: Solve for x
    x = 45,568,649,241.13/300,655.95
  6. Step 6: Final answer
    x = 151,564.10

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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.