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Finding the Fourth Proportional to 358,879.14, 495,249.26 and 205,941.39

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Solution

The fourth proportional to 358,879.14, 495,249.26 and 205,941.39 is: 284,196.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,879.14 : 495,249.26 = 205,941.39 : x
  2. Step 2: Convert to fraction form
    358,879.14/495,249.26 = 205,941.39/x
  3. Step 3: Cross multiply
    358,879.14x = 495,249.26 × 205,941.39
  4. Step 4: Simplify right side
    358,879.14x = 101,992,318,113.98
  5. Step 5: Solve for x
    x = 101,992,318,113.98/358,879.14
  6. Step 6: Final answer
    x = 284,196.84

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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.