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Finding the Fourth Proportional to 404,288.60, 557,908.47 and 222,996.60

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Solution

The fourth proportional to 404,288.60, 557,908.47 and 222,996.60 is: 307,729.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,288.60 : 557,908.47 = 222,996.60 : x
  2. Step 2: Convert to fraction form
    404,288.60/557,908.47 = 222,996.60/x
  3. Step 3: Cross multiply
    404,288.60x = 557,908.47 × 222,996.60
  4. Step 4: Simplify right side
    404,288.60x = 124,411,691,921.20
  5. Step 5: Solve for x
    x = 124,411,691,921.20/404,288.60
  6. Step 6: Final answer
    x = 307,729.91

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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.