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Finding the Fourth Proportional to 359,816.85, 496,537.76 and 198,668.43

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Solution

The fourth proportional to 359,816.85, 496,537.76 and 198,668.43 is: 274,157.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,816.85 : 496,537.76 = 198,668.43 : x
  2. Step 2: Convert to fraction form
    359,816.85/496,537.76 = 198,668.43/x
  3. Step 3: Cross multiply
    359,816.85x = 496,537.76 × 198,668.43
  4. Step 4: Simplify right side
    359,816.85x = 98,646,377,711.59
  5. Step 5: Solve for x
    x = 98,646,377,711.59/359,816.85
  6. Step 6: Final answer
    x = 274,157.19

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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.