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Finding the Fourth Proportional to 366,911.35, 550,342.41 and 100,649.56

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Solution

The fourth proportional to 366,911.35, 550,342.41 and 100,649.56 is: 150,967.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,911.35 : 550,342.41 = 100,649.56 : x
  2. Step 2: Convert to fraction form
    366,911.35/550,342.41 = 100,649.56/x
  3. Step 3: Cross multiply
    366,911.35x = 550,342.41 × 100,649.56
  4. Step 4: Simplify right side
    366,911.35x = 55,391,721,415.84
  5. Step 5: Solve for x
    x = 55,391,721,415.84/366,911.35
  6. Step 6: Final answer
    x = 150,967.59

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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.