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Finding the Fourth Proportional to 560,606.43, 773,626.09 and 305,959.44

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Solution

The fourth proportional to 560,606.43, 773,626.09 and 305,959.44 is: 422,218.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,606.43 : 773,626.09 = 305,959.44 : x
  2. Step 2: Convert to fraction form
    560,606.43/773,626.09 = 305,959.44/x
  3. Step 3: Cross multiply
    560,606.43x = 773,626.09 × 305,959.44
  4. Step 4: Simplify right side
    560,606.43x = 236,698,207,975.66
  5. Step 5: Solve for x
    x = 236,698,207,975.66/560,606.43
  6. Step 6: Final answer
    x = 422,218.14

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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.