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Finding the Fourth Proportional to 322,586.96, 445,181.46 and 177,403.78

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Solution

The fourth proportional to 322,586.96, 445,181.46 and 177,403.78 is: 244,823.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,586.96 : 445,181.46 = 177,403.78 : x
  2. Step 2: Convert to fraction form
    322,586.96/445,181.46 = 177,403.78/x
  3. Step 3: Cross multiply
    322,586.96x = 445,181.46 × 177,403.78
  4. Step 4: Simplify right side
    322,586.96x = 78,976,874,459.36
  5. Step 5: Solve for x
    x = 78,976,874,459.36/322,586.96
  6. Step 6: Final answer
    x = 244,823.52

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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.