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Finding the Fourth Proportional to 404,020.74, 557,552.23 and 222,739.07

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Solution

The fourth proportional to 404,020.74, 557,552.23 and 222,739.07 is: 307,381.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,020.74 : 557,552.23 = 222,739.07 : x
  2. Step 2: Convert to fraction form
    404,020.74/557,552.23 = 222,739.07/x
  3. Step 3: Cross multiply
    404,020.74x = 557,552.23 × 222,739.07
  4. Step 4: Simplify right side
    404,020.74x = 124,188,661,842.02
  5. Step 5: Solve for x
    x = 124,188,661,842.02/404,020.74
  6. Step 6: Final answer
    x = 307,381.90

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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.