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Finding the Fourth Proportional to 359,704.56, 496,389.56 and 198,559.73

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Solution

The fourth proportional to 359,704.56, 496,389.56 and 198,559.73 is: 274,010.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,704.56 : 496,389.56 = 198,559.73 : x
  2. Step 2: Convert to fraction form
    359,704.56/496,389.56 = 198,559.73/x
  3. Step 3: Cross multiply
    359,704.56x = 496,389.56 × 198,559.73
  4. Step 4: Simplify right side
    359,704.56x = 98,562,973,533.67
  5. Step 5: Solve for x
    x = 98,562,973,533.67/359,704.56
  6. Step 6: Final answer
    x = 274,010.91

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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.