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Finding the Fourth Proportional to 412,793.70, 619,190.55 and 176,597.70

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Solution

The fourth proportional to 412,793.70, 619,190.55 and 176,597.70 is: 264,896.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,793.70 : 619,190.55 = 176,597.70 : x
  2. Step 2: Convert to fraction form
    412,793.70/619,190.55 = 176,597.70/x
  3. Step 3: Cross multiply
    412,793.70x = 619,190.55 × 176,597.70
  4. Step 4: Simplify right side
    412,793.70x = 109,347,626,991.74
  5. Step 5: Solve for x
    x = 109,347,626,991.74/412,793.70
  6. Step 6: Final answer
    x = 264,896.55

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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.