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Finding the Fourth Proportional to 383,148.56, 528,744.78 and 222,096.92

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Solution

The fourth proportional to 383,148.56, 528,744.78 and 222,096.92 is: 306,493.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,148.56 : 528,744.78 = 222,096.92 : x
  2. Step 2: Convert to fraction form
    383,148.56/528,744.78 = 222,096.92/x
  3. Step 3: Cross multiply
    383,148.56x = 528,744.78 × 222,096.92
  4. Step 4: Simplify right side
    383,148.56x = 117,432,587,104.08
  5. Step 5: Solve for x
    x = 117,432,587,104.08/383,148.56
  6. Step 6: Final answer
    x = 306,493.61

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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.