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Finding the Fourth Proportional to 350,308.44, 525,634.38 and 217,153.44

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Solution

The fourth proportional to 350,308.44, 525,634.38 and 217,153.44 is: 325,836.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,308.44 : 525,634.38 = 217,153.44 : x
  2. Step 2: Convert to fraction form
    350,308.44/525,634.38 = 217,153.44/x
  3. Step 3: Cross multiply
    350,308.44x = 525,634.38 × 217,153.44
  4. Step 4: Simplify right side
    350,308.44x = 114,143,313,799.27
  5. Step 5: Solve for x
    x = 114,143,313,799.27/350,308.44
  6. Step 6: Final answer
    x = 325,836.61

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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.