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Finding the Fourth Proportional to 229,249.60, 343,218.30 and 203,005.60

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Solution

The fourth proportional to 229,249.60, 343,218.30 and 203,005.60 is: 303,927.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,249.60 : 343,218.30 = 203,005.60 : x
  2. Step 2: Convert to fraction form
    229,249.60/343,218.30 = 203,005.60/x
  3. Step 3: Cross multiply
    229,249.60x = 343,218.30 × 203,005.60
  4. Step 4: Simplify right side
    229,249.60x = 69,675,236,922.48
  5. Step 5: Solve for x
    x = 69,675,236,922.48/229,249.60
  6. Step 6: Final answer
    x = 303,927.41

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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.