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Finding the Fourth Proportional to 404,137.69, 557,698.08 and 222,849.57

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Solution

The fourth proportional to 404,137.69, 557,698.08 and 222,849.57 is: 307,525.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,137.69 : 557,698.08 = 222,849.57 : x
  2. Step 2: Convert to fraction form
    404,137.69/557,698.08 = 222,849.57/x
  3. Step 3: Cross multiply
    404,137.69x = 557,698.08 × 222,849.57
  4. Step 4: Simplify right side
    404,137.69x = 124,282,777,317.83
  5. Step 5: Solve for x
    x = 124,282,777,317.83/404,137.69
  6. Step 6: Final answer
    x = 307,525.83

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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.