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Finding the Fourth Proportional to 468,914.97, 647,101.41 and 254,055.59

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Solution

The fourth proportional to 468,914.97, 647,101.41 and 254,055.59 is: 350,596.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,914.97 : 647,101.41 = 254,055.59 : x
  2. Step 2: Convert to fraction form
    468,914.97/647,101.41 = 254,055.59/x
  3. Step 3: Cross multiply
    468,914.97x = 647,101.41 × 254,055.59
  4. Step 4: Simplify right side
    468,914.97x = 164,399,728,745.80
  5. Step 5: Solve for x
    x = 164,399,728,745.80/468,914.97
  6. Step 6: Final answer
    x = 350,596.03

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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.