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Finding the Fourth Proportional to 273,908.40, 410,906.76 and 84,368.73

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Solution

The fourth proportional to 273,908.40, 410,906.76 and 84,368.73 is: 126,566.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,908.40 : 410,906.76 = 84,368.73 : x
  2. Step 2: Convert to fraction form
    273,908.40/410,906.76 = 84,368.73/x
  3. Step 3: Cross multiply
    273,908.40x = 410,906.76 × 84,368.73
  4. Step 4: Simplify right side
    273,908.40x = 34,667,681,489.61
  5. Step 5: Solve for x
    x = 34,667,681,489.61/273,908.40
  6. Step 6: Final answer
    x = 126,566.70

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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.