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Finding the Fourth Proportional to 404,035.74, 557,573.22 and 222,754.32

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Solution

The fourth proportional to 404,035.74, 557,573.22 and 222,754.32 is: 307,403.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,035.74 : 557,573.22 = 222,754.32 : x
  2. Step 2: Convert to fraction form
    404,035.74/557,573.22 = 222,754.32/x
  3. Step 3: Cross multiply
    404,035.74x = 557,573.22 × 222,754.32
  4. Step 4: Simplify right side
    404,035.74x = 124,201,843,471.31
  5. Step 5: Solve for x
    x = 124,201,843,471.31/404,035.74
  6. Step 6: Final answer
    x = 307,403.11

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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.