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Finding the Fourth Proportional to 277,660.75, 416,176.27 and 127,590.96

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Solution

The fourth proportional to 277,660.75, 416,176.27 and 127,590.96 is: 191,241.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,660.75 : 416,176.27 = 127,590.96 : x
  2. Step 2: Convert to fraction form
    277,660.75/416,176.27 = 127,590.96/x
  3. Step 3: Cross multiply
    277,660.75x = 416,176.27 × 127,590.96
  4. Step 4: Simplify right side
    277,660.75x = 53,100,329,818.52
  5. Step 5: Solve for x
    x = 53,100,329,818.52/277,660.75
  6. Step 6: Final answer
    x = 191,241.76

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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.