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Finding the Fourth Proportional to 559,610.73, 772,260.26 and 304,961.85

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Solution

The fourth proportional to 559,610.73, 772,260.26 and 304,961.85 is: 420,845.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,610.73 : 772,260.26 = 304,961.85 : x
  2. Step 2: Convert to fraction form
    559,610.73/772,260.26 = 304,961.85/x
  3. Step 3: Cross multiply
    559,610.73x = 772,260.26 × 304,961.85
  4. Step 4: Simplify right side
    559,610.73x = 235,509,916,046.27
  5. Step 5: Solve for x
    x = 235,509,916,046.27/559,610.73
  6. Step 6: Final answer
    x = 420,845.96

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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.