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Finding the Fourth Proportional to 342,211.44, 472,243.59 and 199,021.26

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Solution

The fourth proportional to 342,211.44, 472,243.59 and 199,021.26 is: 274,644.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,211.44 : 472,243.59 = 199,021.26 : x
  2. Step 2: Convert to fraction form
    342,211.44/472,243.59 = 199,021.26/x
  3. Step 3: Cross multiply
    342,211.44x = 472,243.59 × 199,021.26
  4. Step 4: Simplify right side
    342,211.44x = 93,986,514,308.72
  5. Step 5: Solve for x
    x = 93,986,514,308.72/342,211.44
  6. Step 6: Final answer
    x = 274,644.57

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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.