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Finding the Fourth Proportional to 541,863.10, 747,771.15 and 300,161.33

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Solution

The fourth proportional to 541,863.10, 747,771.15 and 300,161.33 is: 414,222.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,863.10 : 747,771.15 = 300,161.33 : x
  2. Step 2: Convert to fraction form
    541,863.10/747,771.15 = 300,161.33/x
  3. Step 3: Cross multiply
    541,863.10x = 747,771.15 × 300,161.33
  4. Step 4: Simplify right side
    541,863.10x = 224,451,982,169.23
  5. Step 5: Solve for x
    x = 224,451,982,169.23/541,863.10
  6. Step 6: Final answer
    x = 414,222.67

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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.