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Finding the Fourth Proportional to 404,189.94, 557,772.87 and 222,896.70

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Solution

The fourth proportional to 404,189.94, 557,772.87 and 222,896.70 is: 307,592.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,189.94 : 557,772.87 = 222,896.70 : x
  2. Step 2: Convert to fraction form
    404,189.94/557,772.87 = 222,896.70/x
  3. Step 3: Cross multiply
    404,189.94x = 557,772.87 × 222,896.70
  4. Step 4: Simplify right side
    404,189.94x = 124,325,732,072.53
  5. Step 5: Solve for x
    x = 124,325,732,072.53/404,189.94
  6. Step 6: Final answer
    x = 307,592.35

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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.