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Finding the Fourth Proportional to 886,908.70, 1,330,363.05 and 222,060.70

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Solution

The fourth proportional to 886,908.70, 1,330,363.05 and 222,060.70 is: 333,091.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,908.70 : 1,330,363.05 = 222,060.70 : x
  2. Step 2: Convert to fraction form
    886,908.70/1,330,363.05 = 222,060.70/x
  3. Step 3: Cross multiply
    886,908.70x = 1,330,363.05 × 222,060.70
  4. Step 4: Simplify right side
    886,908.70x = 295,421,350,137.14
  5. Step 5: Solve for x
    x = 295,421,350,137.14/886,908.70
  6. Step 6: Final answer
    x = 333,091.05

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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.