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Finding the Fourth Proportional to 348,755.82, 523,131.21 and 230,954.46

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Solution

The fourth proportional to 348,755.82, 523,131.21 and 230,954.46 is: 346,430.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,755.82 : 523,131.21 = 230,954.46 : x
  2. Step 2: Convert to fraction form
    348,755.82/523,131.21 = 230,954.46/x
  3. Step 3: Cross multiply
    348,755.82x = 523,131.21 × 230,954.46
  4. Step 4: Simplify right side
    348,755.82x = 120,819,486,114.70
  5. Step 5: Solve for x
    x = 120,819,486,114.70/348,755.82
  6. Step 6: Final answer
    x = 346,430.02

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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.