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Finding the Fourth Proportional to 358,481.67, 494,711.00 and 195,142.87

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Solution

The fourth proportional to 358,481.67, 494,711.00 and 195,142.87 is: 269,300.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,481.67 : 494,711.00 = 195,142.87 : x
  2. Step 2: Convert to fraction form
    358,481.67/494,711.00 = 195,142.87/x
  3. Step 3: Cross multiply
    358,481.67x = 494,711.00 × 195,142.87
  4. Step 4: Simplify right side
    358,481.67x = 96,539,325,353.42
  5. Step 5: Solve for x
    x = 96,539,325,353.42/358,481.67
  6. Step 6: Final answer
    x = 269,300.59

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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.