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Finding the Fourth Proportional to 277,760.47, 416,554.72 and 100,245.01

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Solution

The fourth proportional to 277,760.47, 416,554.72 and 100,245.01 is: 150,336.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,760.47 : 416,554.72 = 100,245.01 : x
  2. Step 2: Convert to fraction form
    277,760.47/416,554.72 = 100,245.01/x
  3. Step 3: Cross multiply
    277,760.47x = 416,554.72 × 100,245.01
  4. Step 4: Simplify right side
    277,760.47x = 41,757,531,570.72
  5. Step 5: Solve for x
    x = 41,757,531,570.72/277,760.47
  6. Step 6: Final answer
    x = 150,336.48

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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.