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Finding the Fourth Proportional to 404,193.66, 557,790.75 and 222,912.06

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Solution

The fourth proportional to 404,193.66, 557,790.75 and 222,912.06 is: 307,620.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,193.66 : 557,790.75 = 222,912.06 : x
  2. Step 2: Convert to fraction form
    404,193.66/557,790.75 = 222,912.06/x
  3. Step 3: Cross multiply
    404,193.66x = 557,790.75 × 222,912.06
  4. Step 4: Simplify right side
    404,193.66x = 124,338,285,131.45
  5. Step 5: Solve for x
    x = 124,338,285,131.45/404,193.66
  6. Step 6: Final answer
    x = 307,620.57

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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.