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Finding the Fourth Proportional to 300,797.07, 415,099.97 and 166,661.07

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Solution

The fourth proportional to 300,797.07, 415,099.97 and 166,661.07 is: 229,992.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,797.07 : 415,099.97 = 166,661.07 : x
  2. Step 2: Convert to fraction form
    300,797.07/415,099.97 = 166,661.07/x
  3. Step 3: Cross multiply
    300,797.07x = 415,099.97 × 166,661.07
  4. Step 4: Simplify right side
    300,797.07x = 69,181,004,323.86
  5. Step 5: Solve for x
    x = 69,181,004,323.86/300,797.07
  6. Step 6: Final answer
    x = 229,992.28

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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.