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Finding the Fourth Proportional to 277,404.62, 416,238.56 and 192,146.58

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Solution

The fourth proportional to 277,404.62, 416,238.56 and 192,146.58 is: 288,311.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,404.62 : 416,238.56 = 192,146.58 : x
  2. Step 2: Convert to fraction form
    277,404.62/416,238.56 = 192,146.58/x
  3. Step 3: Cross multiply
    277,404.62x = 416,238.56 × 192,146.58
  4. Step 4: Simplify right side
    277,404.62x = 79,978,815,768.12
  5. Step 5: Solve for x
    x = 79,978,815,768.12/277,404.62
  6. Step 6: Final answer
    x = 288,311.04

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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.