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Finding the Fourth Proportional to 273,780.30, 410,601.13 and 81,610.38

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Solution

The fourth proportional to 273,780.30, 410,601.13 and 81,610.38 is: 122,394.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,780.30 : 410,601.13 = 81,610.38 : x
  2. Step 2: Convert to fraction form
    273,780.30/410,601.13 = 81,610.38/x
  3. Step 3: Cross multiply
    273,780.30x = 410,601.13 × 81,610.38
  4. Step 4: Simplify right side
    273,780.30x = 33,509,313,839.68
  5. Step 5: Solve for x
    x = 33,509,313,839.68/273,780.30
  6. Step 6: Final answer
    x = 122,394.91

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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.