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Finding the Fourth Proportional to 247,771.41, 341,735.19 and 213,375.72

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Solution

The fourth proportional to 247,771.41, 341,735.19 and 213,375.72 is: 294,295.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,771.41 : 341,735.19 = 213,375.72 : x
  2. Step 2: Convert to fraction form
    247,771.41/341,735.19 = 213,375.72/x
  3. Step 3: Cross multiply
    247,771.41x = 341,735.19 × 213,375.72
  4. Step 4: Simplify right side
    247,771.41x = 72,917,992,215.59
  5. Step 5: Solve for x
    x = 72,917,992,215.59/247,771.41
  6. Step 6: Final answer
    x = 294,295.42

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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.