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Finding the Fourth Proportional to 322,734.42, 445,389.29 and 179,491.40

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Solution

The fourth proportional to 322,734.42, 445,389.29 and 179,491.40 is: 247,706.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,734.42 : 445,389.29 = 179,491.40 : x
  2. Step 2: Convert to fraction form
    322,734.42/445,389.29 = 179,491.40/x
  3. Step 3: Cross multiply
    322,734.42x = 445,389.29 × 179,491.40
  4. Step 4: Simplify right side
    322,734.42x = 79,943,544,082.70
  5. Step 5: Solve for x
    x = 79,943,544,082.70/322,734.42
  6. Step 6: Final answer
    x = 247,706.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.