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Finding the Fourth Proportional to 560,608.43, 773,628.85 and 305,961.44

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Solution

The fourth proportional to 560,608.43, 773,628.85 and 305,961.44 is: 422,220.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,608.43 : 773,628.85 = 305,961.44 : x
  2. Step 2: Convert to fraction form
    560,608.43/773,628.85 = 305,961.44/x
  3. Step 3: Cross multiply
    560,608.43x = 773,628.85 × 305,961.44
  4. Step 4: Simplify right side
    560,608.43x = 236,700,596,971.54
  5. Step 5: Solve for x
    x = 236,700,596,971.54/560,608.43
  6. Step 6: Final answer
    x = 422,220.90

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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.