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Finding the Fourth Proportional to 342,221.37, 472,122.80 and 196,992.41

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Solution

The fourth proportional to 342,221.37, 472,122.80 and 196,992.41 is: 271,767.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,221.37 : 472,122.80 = 196,992.41 : x
  2. Step 2: Convert to fraction form
    342,221.37/472,122.80 = 196,992.41/x
  3. Step 3: Cross multiply
    342,221.37x = 472,122.80 × 196,992.41
  4. Step 4: Simplify right side
    342,221.37x = 93,004,604,842.37
  5. Step 5: Solve for x
    x = 93,004,604,842.37/342,221.37
  6. Step 6: Final answer
    x = 271,767.38

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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.