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Finding the Fourth Proportional to 273,604.40, 409,715.40 and 179,601.20

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Solution

The fourth proportional to 273,604.40, 409,715.40 and 179,601.20 is: 268,948.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,604.40 : 409,715.40 = 179,601.20 : x
  2. Step 2: Convert to fraction form
    273,604.40/409,715.40 = 179,601.20/x
  3. Step 3: Cross multiply
    273,604.40x = 409,715.40 × 179,601.20
  4. Step 4: Simplify right side
    273,604.40x = 73,585,377,498.48
  5. Step 5: Solve for x
    x = 73,585,377,498.48/273,604.40
  6. Step 6: Final answer
    x = 268,948.08

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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.