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Finding the Fourth Proportional to 348,989.88, 523,640.34 and 182,739

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Solution

The fourth proportional to 348,989.88, 523,640.34 and 182,739 is: 274,189.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,989.88 : 523,640.34 = 182,739 : x
  2. Step 2: Convert to fraction form
    348,989.88/523,640.34 = 182,739/x
  3. Step 3: Cross multiply
    348,989.88x = 523,640.34 × 182,739
  4. Step 4: Simplify right side
    348,989.88x = 95,689,512,091.26
  5. Step 5: Solve for x
    x = 95,689,512,091.26/348,989.88
  6. Step 6: Final answer
    x = 274,189.93

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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.