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Finding the Fourth Proportional to 231,893.40, 347,840.10 and 175,906.20

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Solution

The fourth proportional to 231,893.40, 347,840.10 and 175,906.20 is: 263,859.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,893.40 : 347,840.10 = 175,906.20 : x
  2. Step 2: Convert to fraction form
    231,893.40/347,840.10 = 175,906.20/x
  3. Step 3: Cross multiply
    231,893.40x = 347,840.10 × 175,906.20
  4. Step 4: Simplify right side
    231,893.40x = 61,187,230,198.62
  5. Step 5: Solve for x
    x = 61,187,230,198.62/231,893.40
  6. Step 6: Final answer
    x = 263,859.30

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1.5x scale

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.