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Finding the Fourth Proportional to 276,883.45, 415,049.16 and 116,999.71

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Solution

The fourth proportional to 276,883.45, 415,049.16 and 116,999.71 is: 175,382.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,883.45 : 415,049.16 = 116,999.71 : x
  2. Step 2: Convert to fraction form
    276,883.45/415,049.16 = 116,999.71/x
  3. Step 3: Cross multiply
    276,883.45x = 415,049.16 × 116,999.71
  4. Step 4: Simplify right side
    276,883.45x = 48,560,631,355.74
  5. Step 5: Solve for x
    x = 48,560,631,355.74/276,883.45
  6. Step 6: Final answer
    x = 175,382.93

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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.