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Finding the Fourth Proportional to 359,244.20, 495,790.17 and 206,302.43

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Solution

The fourth proportional to 359,244.20, 495,790.17 and 206,302.43 is: 284,716.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,244.20 : 495,790.17 = 206,302.43 : x
  2. Step 2: Convert to fraction form
    359,244.20/495,790.17 = 206,302.43/x
  3. Step 3: Cross multiply
    359,244.20x = 495,790.17 × 206,302.43
  4. Step 4: Simplify right side
    359,244.20x = 102,282,716,841.11
  5. Step 5: Solve for x
    x = 102,282,716,841.11/359,244.20
  6. Step 6: Final answer
    x = 284,716.40

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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.