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Finding the Fourth Proportional to 560,691.09, 773,754.66 and 306,042.48

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Solution

The fourth proportional to 560,691.09, 773,754.66 and 306,042.48 is: 422,339.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,691.09 : 773,754.66 = 306,042.48 : x
  2. Step 2: Convert to fraction form
    560,691.09/773,754.66 = 306,042.48/x
  3. Step 3: Cross multiply
    560,691.09x = 773,754.66 × 306,042.48
  4. Step 4: Simplify right side
    560,691.09x = 236,801,795,057.96
  5. Step 5: Solve for x
    x = 236,801,795,057.96/560,691.09
  6. Step 6: Final answer
    x = 422,339.14

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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.