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Finding the Fourth Proportional to 363,269.40, 544,907.19 and 126,611.70

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Solution

The fourth proportional to 363,269.40, 544,907.19 and 126,611.70 is: 189,918.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,269.40 : 544,907.19 = 126,611.70 : x
  2. Step 2: Convert to fraction form
    363,269.40/544,907.19 = 126,611.70/x
  3. Step 3: Cross multiply
    363,269.40x = 544,907.19 × 126,611.70
  4. Step 4: Simplify right side
    363,269.40x = 68,991,625,668.12
  5. Step 5: Solve for x
    x = 68,991,625,668.12/363,269.40
  6. Step 6: Final answer
    x = 189,918.63

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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.