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Finding the Fourth Proportional to 449,759.27, 674,755.76 and 134,216.18

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Solution

The fourth proportional to 449,759.27, 674,755.76 and 134,216.18 is: 201,359.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,759.27 : 674,755.76 = 134,216.18 : x
  2. Step 2: Convert to fraction form
    449,759.27/674,755.76 = 134,216.18/x
  3. Step 3: Cross multiply
    449,759.27x = 674,755.76 × 134,216.18
  4. Step 4: Simplify right side
    449,759.27x = 90,563,141,556.01
  5. Step 5: Solve for x
    x = 90,563,141,556.01/449,759.27
  6. Step 6: Final answer
    x = 201,359.14

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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.