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Finding the Fourth Proportional to 350,902.06, 526,348.20 and 84,660.34

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Solution

The fourth proportional to 350,902.06, 526,348.20 and 84,660.34 is: 126,989.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,902.06 : 526,348.20 = 84,660.34 : x
  2. Step 2: Convert to fraction form
    350,902.06/526,348.20 = 84,660.34/x
  3. Step 3: Cross multiply
    350,902.06x = 526,348.20 × 84,660.34
  4. Step 4: Simplify right side
    350,902.06x = 44,560,817,570.39
  5. Step 5: Solve for x
    x = 44,560,817,570.39/350,902.06
  6. Step 6: Final answer
    x = 126,989.33

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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.