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Finding the Fourth Proportional to 1,149,147, 1,723,720.50 and 361,179

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Solution

The fourth proportional to 1,149,147, 1,723,720.50 and 361,179 is: 541,768.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,147 : 1,723,720.50 = 361,179 : x
  2. Step 2: Convert to fraction form
    1,149,147/1,723,720.50 = 361,179/x
  3. Step 3: Cross multiply
    1,149,147x = 1,723,720.50 × 361,179
  4. Step 4: Simplify right side
    1,149,147x = 622,571,646,469.50
  5. Step 5: Solve for x
    x = 622,571,646,469.50/1,149,147
  6. Step 6: Final answer
    x = 541,768.50

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Similar ratio
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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.