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Finding the Fourth Proportional to 446,995.38, 616,853.63 and 245,791.38

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Solution

The fourth proportional to 446,995.38, 616,853.63 and 245,791.38 is: 339,192.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,995.38 : 616,853.63 = 245,791.38 : x
  2. Step 2: Convert to fraction form
    446,995.38/616,853.63 = 245,791.38/x
  3. Step 3: Cross multiply
    446,995.38x = 616,853.63 × 245,791.38
  4. Step 4: Simplify right side
    446,995.38x = 151,617,304,975.71
  5. Step 5: Solve for x
    x = 151,617,304,975.71/446,995.38
  6. Step 6: Final answer
    x = 339,192.11

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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.