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Finding the Fourth Proportional to 217,798.50, 326,391.30 and 173,227.44

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Solution

The fourth proportional to 217,798.50, 326,391.30 and 173,227.44 is: 259,597.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,798.50 : 326,391.30 = 173,227.44 : x
  2. Step 2: Convert to fraction form
    217,798.50/326,391.30 = 173,227.44/x
  3. Step 3: Cross multiply
    217,798.50x = 326,391.30 × 173,227.44
  4. Step 4: Simplify right side
    217,798.50x = 56,539,929,337.27
  5. Step 5: Solve for x
    x = 56,539,929,337.27/217,798.50
  6. Step 6: Final answer
    x = 259,597.42

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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.