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Finding the Fourth Proportional to 449,655.30, 674,286.12 and 134,049.33

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Solution

The fourth proportional to 449,655.30, 674,286.12 and 134,049.33 is: 201,015.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,655.30 : 674,286.12 = 134,049.33 : x
  2. Step 2: Convert to fraction form
    449,655.30/674,286.12 = 134,049.33/x
  3. Step 3: Cross multiply
    449,655.30x = 674,286.12 × 134,049.33
  4. Step 4: Simplify right side
    449,655.30x = 90,387,602,614.30
  5. Step 5: Solve for x
    x = 90,387,602,614.30/449,655.30
  6. Step 6: Final answer
    x = 201,015.32

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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.