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Finding the Fourth Proportional to 503,219.93, 694,449.02 and 273,778.52

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Solution

The fourth proportional to 503,219.93, 694,449.02 and 273,778.52 is: 377,817.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,219.93 : 694,449.02 = 273,778.52 : x
  2. Step 2: Convert to fraction form
    503,219.93/694,449.02 = 273,778.52/x
  3. Step 3: Cross multiply
    503,219.93x = 694,449.02 × 273,778.52
  4. Step 4: Simplify right side
    503,219.93x = 190,125,224,911.05
  5. Step 5: Solve for x
    x = 190,125,224,911.05/503,219.93
  6. Step 6: Final answer
    x = 377,817.36

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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.