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Finding the Fourth Proportional to 404,036.74, 557,574.60 and 222,755.32

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Solution

The fourth proportional to 404,036.74, 557,574.60 and 222,755.32 is: 307,404.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,036.74 : 557,574.60 = 222,755.32 : x
  2. Step 2: Convert to fraction form
    404,036.74/557,574.60 = 222,755.32/x
  3. Step 3: Cross multiply
    404,036.74x = 557,574.60 × 222,755.32
  4. Step 4: Simplify right side
    404,036.74x = 124,202,708,446.87
  5. Step 5: Solve for x
    x = 124,202,708,446.87/404,036.74
  6. Step 6: Final answer
    x = 307,404.49

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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.