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Finding the Fourth Proportional to 503,843.44, 755,502.72 and 188,040.64

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Solution

The fourth proportional to 503,843.44, 755,502.72 and 188,040.64 is: 281,963.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,843.44 : 755,502.72 = 188,040.64 : x
  2. Step 2: Convert to fraction form
    503,843.44/755,502.72 = 188,040.64/x
  3. Step 3: Cross multiply
    503,843.44x = 755,502.72 × 188,040.64
  4. Step 4: Simplify right side
    503,843.44x = 142,065,214,990.54
  5. Step 5: Solve for x
    x = 142,065,214,990.54/503,843.44
  6. Step 6: Final answer
    x = 281,963.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.