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Finding the Fourth Proportional to 354,460.92, 489,167.94 and 193,324.78

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Solution

The fourth proportional to 354,460.92, 489,167.94 and 193,324.78 is: 266,794.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,460.92 : 489,167.94 = 193,324.78 : x
  2. Step 2: Convert to fraction form
    354,460.92/489,167.94 = 193,324.78/x
  3. Step 3: Cross multiply
    354,460.92x = 489,167.94 × 193,324.78
  4. Step 4: Simplify right side
    354,460.92x = 94,568,284,383.55
  5. Step 5: Solve for x
    x = 94,568,284,383.55/354,460.92
  6. Step 6: Final answer
    x = 266,794.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.