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Finding the Fourth Proportional to 446,439, 616,085.82 and 245,235

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Solution

The fourth proportional to 446,439, 616,085.82 and 245,235 is: 338,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,439 : 616,085.82 = 245,235 : x
  2. Step 2: Convert to fraction form
    446,439/616,085.82 = 245,235/x
  3. Step 3: Cross multiply
    446,439x = 616,085.82 × 245,235
  4. Step 4: Simplify right side
    446,439x = 151,085,806,067.70
  5. Step 5: Solve for x
    x = 151,085,806,067.70/446,439
  6. Step 6: Final answer
    x = 338,424.30

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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.