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Finding the Fourth Proportional to 500,047.26, 690,065.26 and 273,692.76

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Solution

The fourth proportional to 500,047.26, 690,065.26 and 273,692.76 is: 377,696.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,047.26 : 690,065.26 = 273,692.76 : x
  2. Step 2: Convert to fraction form
    500,047.26/690,065.26 = 273,692.76/x
  3. Step 3: Cross multiply
    500,047.26x = 690,065.26 × 273,692.76
  4. Step 4: Simplify right side
    500,047.26x = 188,865,865,589.52
  5. Step 5: Solve for x
    x = 188,865,865,589.52/500,047.26
  6. Step 6: Final answer
    x = 377,696.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.