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Finding the Fourth Proportional to 318,469.44, 477,627.20 and 93,768.72

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Solution

The fourth proportional to 318,469.44, 477,627.20 and 93,768.72 is: 140,630.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,469.44 : 477,627.20 = 93,768.72 : x
  2. Step 2: Convert to fraction form
    318,469.44/477,627.20 = 93,768.72/x
  3. Step 3: Cross multiply
    318,469.44x = 477,627.20 × 93,768.72
  4. Step 4: Simplify right side
    318,469.44x = 44,786,491,181.18
  5. Step 5: Solve for x
    x = 44,786,491,181.18/318,469.44
  6. Step 6: Final answer
    x = 140,630.42

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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.