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Finding the Fourth Proportional to 446,763.26, 670,193.90 and 193,869.92

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Solution

The fourth proportional to 446,763.26, 670,193.90 and 193,869.92 is: 290,826.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,763.26 : 670,193.90 = 193,869.92 : x
  2. Step 2: Convert to fraction form
    446,763.26/670,193.90 = 193,869.92/x
  3. Step 3: Cross multiply
    446,763.26x = 670,193.90 × 193,869.92
  4. Step 4: Simplify right side
    446,763.26x = 129,930,437,777.49
  5. Step 5: Solve for x
    x = 129,930,437,777.49/446,763.26
  6. Step 6: Final answer
    x = 290,826.15

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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.