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Finding the Fourth Proportional to 277,651.60, 416,234.40 and 188,616.40

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Solution

The fourth proportional to 277,651.60, 416,234.40 and 188,616.40 is: 282,759.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,651.60 : 416,234.40 = 188,616.40 : x
  2. Step 2: Convert to fraction form
    277,651.60/416,234.40 = 188,616.40/x
  3. Step 3: Cross multiply
    277,651.60x = 416,234.40 × 188,616.40
  4. Step 4: Simplify right side
    277,651.60x = 78,508,634,084.16
  5. Step 5: Solve for x
    x = 78,508,634,084.16/277,651.60
  6. Step 6: Final answer
    x = 282,759.52

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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.