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Finding the Fourth Proportional to 446,998.38, 616,857.77 and 245,794.38

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Solution

The fourth proportional to 446,998.38, 616,857.77 and 245,794.38 is: 339,196.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,998.38 : 616,857.77 = 245,794.38 : x
  2. Step 2: Convert to fraction form
    446,998.38/616,857.77 = 245,794.38/x
  3. Step 3: Cross multiply
    446,998.38x = 616,857.77 × 245,794.38
  4. Step 4: Simplify right side
    446,998.38x = 151,620,173,125.33
  5. Step 5: Solve for x
    x = 151,620,173,125.33/446,998.38
  6. Step 6: Final answer
    x = 339,196.25

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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.