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Finding the Fourth Proportional to 303,934.40, 455,758.44 and 177,611.12

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Solution

The fourth proportional to 303,934.40, 455,758.44 and 177,611.12 is: 266,333.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,934.40 : 455,758.44 = 177,611.12 : x
  2. Step 2: Convert to fraction form
    303,934.40/455,758.44 = 177,611.12/x
  3. Step 3: Cross multiply
    303,934.40x = 455,758.44 × 177,611.12
  4. Step 4: Simplify right side
    303,934.40x = 80,947,766,977.85
  5. Step 5: Solve for x
    x = 80,947,766,977.85/303,934.40
  6. Step 6: Final answer
    x = 266,333.02

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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.