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Finding the Fourth Proportional to 629,370.68, 943,958.04 and 345,201

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Solution

The fourth proportional to 629,370.68, 943,958.04 and 345,201 is: 517,747.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,370.68 : 943,958.04 = 345,201 : x
  2. Step 2: Convert to fraction form
    629,370.68/943,958.04 = 345,201/x
  3. Step 3: Cross multiply
    629,370.68x = 943,958.04 × 345,201
  4. Step 4: Simplify right side
    629,370.68x = 325,855,259,366.04
  5. Step 5: Solve for x
    x = 325,855,259,366.04/629,370.68
  6. Step 6: Final answer
    x = 517,747.76

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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.