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Finding the Fourth Proportional to 446,273.64, 669,415.95 and 130,736.97

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Solution

The fourth proportional to 446,273.64, 669,415.95 and 130,736.97 is: 196,107.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,273.64 : 669,415.95 = 130,736.97 : x
  2. Step 2: Convert to fraction form
    446,273.64/669,415.95 = 130,736.97/x
  3. Step 3: Cross multiply
    446,273.64x = 669,415.95 × 130,736.97
  4. Step 4: Simplify right side
    446,273.64x = 87,517,412,972.67
  5. Step 5: Solve for x
    x = 87,517,412,972.67/446,273.64
  6. Step 6: Final answer
    x = 196,107.06

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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.