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Finding the Fourth Proportional to 230,212.80, 346,096.80 and 195,998.40

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Solution

The fourth proportional to 230,212.80, 346,096.80 and 195,998.40 is: 294,659.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,212.80 : 346,096.80 = 195,998.40 : x
  2. Step 2: Convert to fraction form
    230,212.80/346,096.80 = 195,998.40/x
  3. Step 3: Cross multiply
    230,212.80x = 346,096.80 × 195,998.40
  4. Step 4: Simplify right side
    230,212.80x = 67,834,419,045.12
  5. Step 5: Solve for x
    x = 67,834,419,045.12/230,212.80
  6. Step 6: Final answer
    x = 294,659.63

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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.