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Finding the Fourth Proportional to 277,760.97, 416,555.47 and 100,245.51

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Solution

The fourth proportional to 277,760.97, 416,555.47 and 100,245.51 is: 150,337.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,760.97 : 416,555.47 = 100,245.51 : x
  2. Step 2: Convert to fraction form
    277,760.97/416,555.47 = 100,245.51/x
  3. Step 3: Cross multiply
    277,760.97x = 416,555.47 × 100,245.51
  4. Step 4: Simplify right side
    277,760.97x = 41,757,815,032.21
  5. Step 5: Solve for x
    x = 41,757,815,032.21/277,760.97
  6. Step 6: Final answer
    x = 150,337.23

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1.5x scale

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.