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Finding the Fourth Proportional to 446,907.67, 670,367.72 and 247,617.30

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Solution

The fourth proportional to 446,907.67, 670,367.72 and 247,617.30 is: 371,429.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,907.67 : 670,367.72 = 247,617.30 : x
  2. Step 2: Convert to fraction form
    446,907.67/670,367.72 = 247,617.30/x
  3. Step 3: Cross multiply
    446,907.67x = 670,367.72 × 247,617.30
  4. Step 4: Simplify right side
    446,907.67x = 165,994,644,833.56
  5. Step 5: Solve for x
    x = 165,994,644,833.56/446,907.67
  6. Step 6: Final answer
    x = 371,429.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.