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Finding the Fourth Proportional to 322,736.20, 484,104.30 and 164,912.20

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Solution

The fourth proportional to 322,736.20, 484,104.30 and 164,912.20 is: 247,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,736.20 : 484,104.30 = 164,912.20 : x
  2. Step 2: Convert to fraction form
    322,736.20/484,104.30 = 164,912.20/x
  3. Step 3: Cross multiply
    322,736.20x = 484,104.30 × 164,912.20
  4. Step 4: Simplify right side
    322,736.20x = 79,834,705,142.46
  5. Step 5: Solve for x
    x = 79,834,705,142.46/322,736.20
  6. Step 6: Final answer
    x = 247,368.30

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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.