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Finding the Fourth Proportional to 374,850.46, 562,213.05 and 164,431.90

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Solution

The fourth proportional to 374,850.46, 562,213.05 and 164,431.90 is: 246,620.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,850.46 : 562,213.05 = 164,431.90 : x
  2. Step 2: Convert to fraction form
    374,850.46/562,213.05 = 164,431.90/x
  3. Step 3: Cross multiply
    374,850.46x = 562,213.05 × 164,431.90
  4. Step 4: Simplify right side
    374,850.46x = 92,445,760,016.30
  5. Step 5: Solve for x
    x = 92,445,760,016.30/374,850.46
  6. Step 6: Final answer
    x = 246,620.37

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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.