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Finding the Fourth Proportional to 565,558.48, 848,157.90 and 186,408.56

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Solution

The fourth proportional to 565,558.48, 848,157.90 and 186,408.56 is: 279,553.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,558.48 : 848,157.90 = 186,408.56 : x
  2. Step 2: Convert to fraction form
    565,558.48/848,157.90 = 186,408.56/x
  3. Step 3: Cross multiply
    565,558.48x = 848,157.90 × 186,408.56
  4. Step 4: Simplify right side
    565,558.48x = 158,103,892,791.62
  5. Step 5: Solve for x
    x = 158,103,892,791.62/565,558.48
  6. Step 6: Final answer
    x = 279,553.57

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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.