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Finding the Fourth Proportional to 504,993.96, 696,906.27 and 278,654.04

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Solution

The fourth proportional to 504,993.96, 696,906.27 and 278,654.04 is: 384,550.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,993.96 : 696,906.27 = 278,654.04 : x
  2. Step 2: Convert to fraction form
    504,993.96/696,906.27 = 278,654.04/x
  3. Step 3: Cross multiply
    504,993.96x = 696,906.27 × 278,654.04
  4. Step 4: Simplify right side
    504,993.96x = 194,195,747,636.83
  5. Step 5: Solve for x
    x = 194,195,747,636.83/504,993.96
  6. Step 6: Final answer
    x = 384,550.63

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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.