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Finding the Fourth Proportional to 332,763.81, 459,295.70 and 189,608.46

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Solution

The fourth proportional to 332,763.81, 459,295.70 and 189,608.46 is: 261,706.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,763.81 : 459,295.70 = 189,608.46 : x
  2. Step 2: Convert to fraction form
    332,763.81/459,295.70 = 189,608.46/x
  3. Step 3: Cross multiply
    332,763.81x = 459,295.70 × 189,608.46
  4. Step 4: Simplify right side
    332,763.81x = 87,086,349,413.58
  5. Step 5: Solve for x
    x = 87,086,349,413.58/332,763.81
  6. Step 6: Final answer
    x = 261,706.19

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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.