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Finding the Fourth Proportional to 263,593.88, 363,745.16 and 156,173.84

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Solution

The fourth proportional to 263,593.88, 363,745.16 and 156,173.84 is: 215,511.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,593.88 : 363,745.16 = 156,173.84 : x
  2. Step 2: Convert to fraction form
    263,593.88/363,745.16 = 156,173.84/x
  3. Step 3: Cross multiply
    263,593.88x = 363,745.16 × 156,173.84
  4. Step 4: Simplify right side
    263,593.88x = 56,807,478,418.61
  5. Step 5: Solve for x
    x = 56,807,478,418.61/263,593.88
  6. Step 6: Final answer
    x = 215,511.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.