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Finding the Fourth Proportional to 500,166.63, 690,229.89 and 273,812.13

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Solution

The fourth proportional to 500,166.63, 690,229.89 and 273,812.13 is: 377,860.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,166.63 : 690,229.89 = 273,812.13 : x
  2. Step 2: Convert to fraction form
    500,166.63/690,229.89 = 273,812.13/x
  3. Step 3: Cross multiply
    500,166.63x = 690,229.89 × 273,812.13
  4. Step 4: Simplify right side
    500,166.63x = 188,993,316,370.57
  5. Step 5: Solve for x
    x = 188,993,316,370.57/500,166.63
  6. Step 6: Final answer
    x = 377,860.71

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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.