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Finding the Fourth Proportional to 197,904.80, 296,419.80 and 162,912.80

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Solution

The fourth proportional to 197,904.80, 296,419.80 and 162,912.80 is: 244,009.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,904.80 : 296,419.80 = 162,912.80 : x
  2. Step 2: Convert to fraction form
    197,904.80/296,419.80 = 162,912.80/x
  3. Step 3: Cross multiply
    197,904.80x = 296,419.80 × 162,912.80
  4. Step 4: Simplify right side
    197,904.80x = 48,290,579,593.44
  5. Step 5: Solve for x
    x = 48,290,579,593.44/197,904.80
  6. Step 6: Final answer
    x = 244,009.14

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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.