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Finding the Fourth Proportional to 383,073.45, 574,704.14 and 193,066.89

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Solution

The fourth proportional to 383,073.45, 574,704.14 and 193,066.89 is: 289,647.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,073.45 : 574,704.14 = 193,066.89 : x
  2. Step 2: Convert to fraction form
    383,073.45/574,704.14 = 193,066.89/x
  3. Step 3: Cross multiply
    383,073.45x = 574,704.14 × 193,066.89
  4. Step 4: Simplify right side
    383,073.45x = 110,956,340,014.59
  5. Step 5: Solve for x
    x = 110,956,340,014.59/383,073.45
  6. Step 6: Final answer
    x = 289,647.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.