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Finding the Fourth Proportional to 359,299.38, 495,816.34 and 206,231.26

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Solution

The fourth proportional to 359,299.38, 495,816.34 and 206,231.26 is: 284,589.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,299.38 : 495,816.34 = 206,231.26 : x
  2. Step 2: Convert to fraction form
    359,299.38/495,816.34 = 206,231.26/x
  3. Step 3: Cross multiply
    359,299.38x = 495,816.34 × 206,231.26
  4. Step 4: Simplify right side
    359,299.38x = 102,252,828,526.79
  5. Step 5: Solve for x
    x = 102,252,828,526.79/359,299.38
  6. Step 6: Final answer
    x = 284,589.49

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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.