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Finding the Fourth Proportional to 504,577.89, 756,991.41 and 149,591.90

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Solution

The fourth proportional to 504,577.89, 756,991.41 and 149,591.90 is: 224,424.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,577.89 : 756,991.41 = 149,591.90 : x
  2. Step 2: Convert to fraction form
    504,577.89/756,991.41 = 149,591.90/x
  3. Step 3: Cross multiply
    504,577.89x = 756,991.41 × 149,591.90
  4. Step 4: Simplify right side
    504,577.89x = 113,239,780,379.01
  5. Step 5: Solve for x
    x = 113,239,780,379.01/504,577.89
  6. Step 6: Final answer
    x = 224,424.78

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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.