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Finding the Fourth Proportional to 504,813.87, 756,998.73 and 189,049.14

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Solution

The fourth proportional to 504,813.87, 756,998.73 and 189,049.14 is: 283,490.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,813.87 : 756,998.73 = 189,049.14 : x
  2. Step 2: Convert to fraction form
    504,813.87/756,998.73 = 189,049.14/x
  3. Step 3: Cross multiply
    504,813.87x = 756,998.73 × 189,049.14
  4. Step 4: Simplify right side
    504,813.87x = 143,109,958,887.59
  5. Step 5: Solve for x
    x = 143,109,958,887.59/504,813.87
  6. Step 6: Final answer
    x = 283,490.54

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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.