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Finding the Fourth Proportional to 359,773.08, 496,487.60 and 198,628.44

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Solution

The fourth proportional to 359,773.08, 496,487.60 and 198,628.44 is: 274,107.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,773.08 : 496,487.60 = 198,628.44 : x
  2. Step 2: Convert to fraction form
    359,773.08/496,487.60 = 198,628.44/x
  3. Step 3: Cross multiply
    359,773.08x = 496,487.60 × 198,628.44
  4. Step 4: Simplify right side
    359,773.08x = 98,616,556,474.20
  5. Step 5: Solve for x
    x = 98,616,556,474.20/359,773.08
  6. Step 6: Final answer
    x = 274,107.66

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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.