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Finding the Fourth Proportional to 277,540.70, 383,013.16 and 170,169.93

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Solution

The fourth proportional to 277,540.70, 383,013.16 and 170,169.93 is: 234,838.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,540.70 : 383,013.16 = 170,169.93 : x
  2. Step 2: Convert to fraction form
    277,540.70/383,013.16 = 170,169.93/x
  3. Step 3: Cross multiply
    277,540.70x = 383,013.16 × 170,169.93
  4. Step 4: Simplify right side
    277,540.70x = 65,177,322,200.85
  5. Step 5: Solve for x
    x = 65,177,322,200.85/277,540.70
  6. Step 6: Final answer
    x = 234,838.79

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1.5x scale

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.