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Finding the Fourth Proportional to 450,845, 622,161.62 and 244,112.40

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Solution

The fourth proportional to 450,845, 622,161.62 and 244,112.40 is: 336,872.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,845 : 622,161.62 = 244,112.40 : x
  2. Step 2: Convert to fraction form
    450,845/622,161.62 = 244,112.40/x
  3. Step 3: Cross multiply
    450,845x = 622,161.62 × 244,112.40
  4. Step 4: Simplify right side
    450,845x = 151,877,366,246.09
  5. Step 5: Solve for x
    x = 151,877,366,246.09/450,845
  6. Step 6: Final answer
    x = 336,872.69

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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.