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Finding the Fourth Proportional to 404,283.70, 557,901.73 and 222,991.73

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Solution

The fourth proportional to 404,283.70, 557,901.73 and 222,991.73 is: 307,723.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,283.70 : 557,901.73 = 222,991.73 : x
  2. Step 2: Convert to fraction form
    404,283.70/557,901.73 = 222,991.73/x
  3. Step 3: Cross multiply
    404,283.70x = 557,901.73 × 222,991.73
  4. Step 4: Simplify right side
    404,283.70x = 124,407,472,779.97
  5. Step 5: Solve for x
    x = 124,407,472,779.97/404,283.70
  6. Step 6: Final answer
    x = 307,723.20

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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.