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Finding the Fourth Proportional to 359,793.16, 496,501.06 and 198,644.68

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Solution

The fourth proportional to 359,793.16, 496,501.06 and 198,644.68 is: 274,122.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,793.16 : 496,501.06 = 198,644.68 : x
  2. Step 2: Convert to fraction form
    359,793.16/496,501.06 = 198,644.68/x
  3. Step 3: Cross multiply
    359,793.16x = 496,501.06 × 198,644.68
  4. Step 4: Simplify right side
    359,793.16x = 98,627,294,183.36
  5. Step 5: Solve for x
    x = 98,627,294,183.36/359,793.16
  6. Step 6: Final answer
    x = 274,122.20

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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.