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Finding the Fourth Proportional to 379,793.12, 569,604.93 and 113,519.04

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Solution

The fourth proportional to 379,793.12, 569,604.93 and 113,519.04 is: 170,253.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,793.12 : 569,604.93 = 113,519.04 : x
  2. Step 2: Convert to fraction form
    379,793.12/569,604.93 = 113,519.04/x
  3. Step 3: Cross multiply
    379,793.12x = 569,604.93 × 113,519.04
  4. Step 4: Simplify right side
    379,793.12x = 64,661,002,271.15
  5. Step 5: Solve for x
    x = 64,661,002,271.15/379,793.12
  6. Step 6: Final answer
    x = 170,253.22

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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.