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Finding the Fourth Proportional to 300,464.28, 414,640.83 and 164,507.04

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Solution

The fourth proportional to 300,464.28, 414,640.83 and 164,507.04 is: 227,019.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,464.28 : 414,640.83 = 164,507.04 : x
  2. Step 2: Convert to fraction form
    300,464.28/414,640.83 = 164,507.04/x
  3. Step 3: Cross multiply
    300,464.28x = 414,640.83 × 164,507.04
  4. Step 4: Simplify right side
    300,464.28x = 68,211,335,606.44
  5. Step 5: Solve for x
    x = 68,211,335,606.44/300,464.28
  6. Step 6: Final answer
    x = 227,019.78

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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.