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Finding the Fourth Proportional to 217,751.92, 326,321.54 and 173,180.86

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Solution

The fourth proportional to 217,751.92, 326,321.54 and 173,180.86 is: 259,527.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,751.92 : 326,321.54 = 173,180.86 : x
  2. Step 2: Convert to fraction form
    217,751.92/326,321.54 = 173,180.86/x
  3. Step 3: Cross multiply
    217,751.92x = 326,321.54 × 173,180.86
  4. Step 4: Simplify right side
    217,751.92x = 56,512,644,933.72
  5. Step 5: Solve for x
    x = 56,512,644,933.72/217,751.92
  6. Step 6: Final answer
    x = 259,527.65

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1.5x scale

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.