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Finding the Fourth Proportional to 359,676.44, 496,350.75 and 198,531.47

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Solution

The fourth proportional to 359,676.44, 496,350.75 and 198,531.47 is: 273,971.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,676.44 : 496,350.75 = 198,531.47 : x
  2. Step 2: Convert to fraction form
    359,676.44/496,350.75 = 198,531.47/x
  3. Step 3: Cross multiply
    359,676.44x = 496,350.75 × 198,531.47
  4. Step 4: Simplify right side
    359,676.44x = 98,541,244,033.10
  5. Step 5: Solve for x
    x = 98,541,244,033.10/359,676.44
  6. Step 6: Final answer
    x = 273,971.92

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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.