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Finding the Fourth Proportional to 383,062.44, 574,401.42 and 223,190.04

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Solution

The fourth proportional to 383,062.44, 574,401.42 and 223,190.04 is: 334,673.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,062.44 : 574,401.42 = 223,190.04 : x
  2. Step 2: Convert to fraction form
    383,062.44/574,401.42 = 223,190.04/x
  3. Step 3: Cross multiply
    383,062.44x = 574,401.42 × 223,190.04
  4. Step 4: Simplify right side
    383,062.44x = 128,200,675,905.86
  5. Step 5: Solve for x
    x = 128,200,675,905.86/383,062.44
  6. Step 6: Final answer
    x = 334,673.05

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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.