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Finding the Fourth Proportional to 312,667.24, 466,736.87 and 274,833.76

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Solution

The fourth proportional to 312,667.24, 466,736.87 and 274,833.76 is: 410,260.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,667.24 : 466,736.87 = 274,833.76 : x
  2. Step 2: Convert to fraction form
    312,667.24/466,736.87 = 274,833.76/x
  3. Step 3: Cross multiply
    312,667.24x = 466,736.87 × 274,833.76
  4. Step 4: Simplify right side
    312,667.24x = 128,275,048,912.73
  5. Step 5: Solve for x
    x = 128,275,048,912.73/312,667.24
  6. Step 6: Final answer
    x = 410,260.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.