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Finding the Fourth Proportional to 342,451.89, 472,623.54 and 199,217.97

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Solution

The fourth proportional to 342,451.89, 472,623.54 and 199,217.97 is: 274,944.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,451.89 : 472,623.54 = 199,217.97 : x
  2. Step 2: Convert to fraction form
    342,451.89/472,623.54 = 199,217.97/x
  3. Step 3: Cross multiply
    342,451.89x = 472,623.54 × 199,217.97
  4. Step 4: Simplify right side
    342,451.89x = 94,155,102,213.01
  5. Step 5: Solve for x
    x = 94,155,102,213.01/342,451.89
  6. Step 6: Final answer
    x = 274,944.03

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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.