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Finding the Fourth Proportional to 504,879.75, 696,733.11 and 275,437.04

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Solution

The fourth proportional to 504,879.75, 696,733.11 and 275,437.04 is: 380,102.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,879.75 : 696,733.11 = 275,437.04 : x
  2. Step 2: Convert to fraction form
    504,879.75/696,733.11 = 275,437.04/x
  3. Step 3: Cross multiply
    504,879.75x = 696,733.11 × 275,437.04
  4. Step 4: Simplify right side
    504,879.75x = 191,906,102,004.73
  5. Step 5: Solve for x
    x = 191,906,102,004.73/504,879.75
  6. Step 6: Final answer
    x = 380,102.59

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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.