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Finding the Fourth Proportional to 560,481.54, 773,458.11 and 305,836.98

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Solution

The fourth proportional to 560,481.54, 773,458.11 and 305,836.98 is: 422,051.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,481.54 : 773,458.11 = 305,836.98 : x
  2. Step 2: Convert to fraction form
    560,481.54/773,458.11 = 305,836.98/x
  3. Step 3: Cross multiply
    560,481.54x = 773,458.11 × 305,836.98
  4. Step 4: Simplify right side
    560,481.54x = 236,552,092,518.91
  5. Step 5: Solve for x
    x = 236,552,092,518.91/560,481.54
  6. Step 6: Final answer
    x = 422,051.53

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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.