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Finding the Fourth Proportional to 449,650.95, 674,943.59 and 300,930.49

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Solution

The fourth proportional to 449,650.95, 674,943.59 and 300,930.49 is: 451,708.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,650.95 : 674,943.59 = 300,930.49 : x
  2. Step 2: Convert to fraction form
    449,650.95/674,943.59 = 300,930.49/x
  3. Step 3: Cross multiply
    449,650.95x = 674,943.59 × 300,930.49
  4. Step 4: Simplify right side
    449,650.95x = 203,111,105,164.33
  5. Step 5: Solve for x
    x = 203,111,105,164.33/449,650.95
  6. Step 6: Final answer
    x = 451,708.39

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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.