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Finding the Fourth Proportional to 273,769.75, 377,798.32 and 152,912.80

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Solution

The fourth proportional to 273,769.75, 377,798.32 and 152,912.80 is: 211,017.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,769.75 : 377,798.32 = 152,912.80 : x
  2. Step 2: Convert to fraction form
    273,769.75/377,798.32 = 152,912.80/x
  3. Step 3: Cross multiply
    273,769.75x = 377,798.32 × 152,912.80
  4. Step 4: Simplify right side
    273,769.75x = 57,770,198,946.50
  5. Step 5: Solve for x
    x = 57,770,198,946.50/273,769.75
  6. Step 6: Final answer
    x = 211,017.47

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1.5x scale

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.