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Finding the Fourth Proportional to 300,608.13, 414,914.09 and 173,360.37

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Solution

The fourth proportional to 300,608.13, 414,914.09 and 173,360.37 is: 239,280.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,608.13 : 414,914.09 = 173,360.37 : x
  2. Step 2: Convert to fraction form
    300,608.13/414,914.09 = 173,360.37/x
  3. Step 3: Cross multiply
    300,608.13x = 414,914.09 × 173,360.37
  4. Step 4: Simplify right side
    300,608.13x = 71,929,659,293.81
  5. Step 5: Solve for x
    x = 71,929,659,293.81/300,608.13
  6. Step 6: Final answer
    x = 239,280.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.