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Finding the Fourth Proportional to 359,668.05, 496,310.46 and 230,378.43

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Solution

The fourth proportional to 359,668.05, 496,310.46 and 230,378.43 is: 317,902.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,668.05 : 496,310.46 = 230,378.43 : x
  2. Step 2: Convert to fraction form
    359,668.05/496,310.46 = 230,378.43/x
  3. Step 3: Cross multiply
    359,668.05x = 496,310.46 × 230,378.43
  4. Step 4: Simplify right side
    359,668.05x = 114,339,224,567.38
  5. Step 5: Solve for x
    x = 114,339,224,567.38/359,668.05
  6. Step 6: Final answer
    x = 317,902.09

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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.