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Finding the Fourth Proportional to 273,961.38, 410,980.67 and 84,437.07

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Solution

The fourth proportional to 273,961.38, 410,980.67 and 84,437.07 is: 126,667.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,961.38 : 410,980.67 = 84,437.07 : x
  2. Step 2: Convert to fraction form
    273,961.38/410,980.67 = 84,437.07/x
  3. Step 3: Cross multiply
    273,961.38x = 410,980.67 × 84,437.07
  4. Step 4: Simplify right side
    273,961.38x = 34,702,003,601.44
  5. Step 5: Solve for x
    x = 34,702,003,601.44/273,961.38
  6. Step 6: Final answer
    x = 126,667.50

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1.5x scale

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.