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Finding the Fourth Proportional to 503,738.19, 695,190.33 and 277,383.69

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Solution

The fourth proportional to 503,738.19, 695,190.33 and 277,383.69 is: 382,806.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,738.19 : 695,190.33 = 277,383.69 : x
  2. Step 2: Convert to fraction form
    503,738.19/695,190.33 = 277,383.69/x
  3. Step 3: Cross multiply
    503,738.19x = 695,190.33 × 277,383.69
  4. Step 4: Simplify right side
    503,738.19x = 192,834,458,987.72
  5. Step 5: Solve for x
    x = 192,834,458,987.72/503,738.19
  6. Step 6: Final answer
    x = 382,806.91

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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.