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Finding the Fourth Proportional to 633,361.21, 950,088.06 and 178,019.61

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Solution

The fourth proportional to 633,361.21, 950,088.06 and 178,019.61 is: 267,042.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,361.21 : 950,088.06 = 178,019.61 : x
  2. Step 2: Convert to fraction form
    633,361.21/950,088.06 = 178,019.61/x
  3. Step 3: Cross multiply
    633,361.21x = 950,088.06 × 178,019.61
  4. Step 4: Simplify right side
    633,361.21x = 169,134,305,906.86
  5. Step 5: Solve for x
    x = 169,134,305,906.86/633,361.21
  6. Step 6: Final answer
    x = 267,042.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.