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Finding the Fourth Proportional to 503,739, 695,159.82 and 277,383.96

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Solution

The fourth proportional to 503,739, 695,159.82 and 277,383.96 is: 382,789.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,739 : 695,159.82 = 277,383.96 : x
  2. Step 2: Convert to fraction form
    503,739/695,159.82 = 277,383.96/x
  3. Step 3: Cross multiply
    503,739x = 695,159.82 × 277,383.96
  4. Step 4: Simplify right side
    503,739x = 192,826,183,704.49
  5. Step 5: Solve for x
    x = 192,826,183,704.49/503,739
  6. Step 6: Final answer
    x = 382,789.86

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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.