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Finding the Fourth Proportional to 629,146.28, 943,869 and 202,722.42

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Solution

The fourth proportional to 629,146.28, 943,869 and 202,722.42 is: 304,131.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,146.28 : 943,869 = 202,722.42 : x
  2. Step 2: Convert to fraction form
    629,146.28/943,869 = 202,722.42/x
  3. Step 3: Cross multiply
    629,146.28x = 943,869 × 202,722.42
  4. Step 4: Simplify right side
    629,146.28x = 191,343,407,842.98
  5. Step 5: Solve for x
    x = 191,343,407,842.98/629,146.28
  6. Step 6: Final answer
    x = 304,131.83

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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.