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Finding the Fourth Proportional to 504,043.30, 756,198.60 and 219,611.80

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Solution

The fourth proportional to 504,043.30, 756,198.60 and 219,611.80 is: 329,475.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,043.30 : 756,198.60 = 219,611.80 : x
  2. Step 2: Convert to fraction form
    504,043.30/756,198.60 = 219,611.80/x
  3. Step 3: Cross multiply
    504,043.30x = 756,198.60 × 219,611.80
  4. Step 4: Simplify right side
    504,043.30x = 166,070,135,703.48
  5. Step 5: Solve for x
    x = 166,070,135,703.48/504,043.30
  6. Step 6: Final answer
    x = 329,475.93

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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.