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Finding the Fourth Proportional to 404,172.36, 557,754.48 and 222,891.84

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Solution

The fourth proportional to 404,172.36, 557,754.48 and 222,891.84 is: 307,588.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,172.36 : 557,754.48 = 222,891.84 : x
  2. Step 2: Convert to fraction form
    404,172.36/557,754.48 = 222,891.84/x
  3. Step 3: Cross multiply
    404,172.36x = 557,754.48 × 222,891.84
  4. Step 4: Simplify right side
    404,172.36x = 124,318,922,315.44
  5. Step 5: Solve for x
    x = 124,318,922,315.44/404,172.36
  6. Step 6: Final answer
    x = 307,588.88

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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.