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Finding the Fourth Proportional to 342,771.38, 473,021.21 and 197,523.80

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Solution

The fourth proportional to 342,771.38, 473,021.21 and 197,523.80 is: 272,580.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,771.38 : 473,021.21 = 197,523.80 : x
  2. Step 2: Convert to fraction form
    342,771.38/473,021.21 = 197,523.80/x
  3. Step 3: Cross multiply
    342,771.38x = 473,021.21 × 197,523.80
  4. Step 4: Simplify right side
    342,771.38x = 93,432,945,008.50
  5. Step 5: Solve for x
    x = 93,432,945,008.50/342,771.38
  6. Step 6: Final answer
    x = 272,580.94

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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.