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Finding the Fourth Proportional to 446,932.69, 616,767.11 and 245,728.69

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Solution

The fourth proportional to 446,932.69, 616,767.11 and 245,728.69 is: 339,105.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,932.69 : 616,767.11 = 245,728.69 : x
  2. Step 2: Convert to fraction form
    446,932.69/616,767.11 = 245,728.69/x
  3. Step 3: Cross multiply
    446,932.69x = 616,767.11 × 245,728.69
  4. Step 4: Simplify right side
    446,932.69x = 151,557,372,126.31
  5. Step 5: Solve for x
    x = 151,557,372,126.31/446,932.69
  6. Step 6: Final answer
    x = 339,105.59

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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.