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Finding the Fourth Proportional to 503,961.80, 756,234.30 and 188,450.60

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Solution

The fourth proportional to 503,961.80, 756,234.30 and 188,450.60 is: 282,784.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,961.80 : 756,234.30 = 188,450.60 : x
  2. Step 2: Convert to fraction form
    503,961.80/756,234.30 = 188,450.60/x
  3. Step 3: Cross multiply
    503,961.80x = 756,234.30 × 188,450.60
  4. Step 4: Simplify right side
    503,961.80x = 142,512,807,575.58
  5. Step 5: Solve for x
    x = 142,512,807,575.58/503,961.80
  6. Step 6: Final answer
    x = 282,784.94

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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.