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Finding the Fourth Proportional to 702,239.38, 969,083.44 and 379,942.41

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Solution

The fourth proportional to 702,239.38, 969,083.44 and 379,942.41 is: 524,316.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,239.38 : 969,083.44 = 379,942.41 : x
  2. Step 2: Convert to fraction form
    702,239.38/969,083.44 = 379,942.41/x
  3. Step 3: Cross multiply
    702,239.38x = 969,083.44 × 379,942.41
  4. Step 4: Simplify right side
    702,239.38x = 368,195,897,684.69
  5. Step 5: Solve for x
    x = 368,195,897,684.69/702,239.38
  6. Step 6: Final answer
    x = 524,316.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.