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Finding the Fourth Proportional to 336,729.20, 504,694.20 and 178,876.40

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Solution

The fourth proportional to 336,729.20, 504,694.20 and 178,876.40 is: 268,102.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,729.20 : 504,694.20 = 178,876.40 : x
  2. Step 2: Convert to fraction form
    336,729.20/504,694.20 = 178,876.40/x
  3. Step 3: Cross multiply
    336,729.20x = 504,694.20 × 178,876.40
  4. Step 4: Simplify right side
    336,729.20x = 90,277,881,596.88
  5. Step 5: Solve for x
    x = 90,277,881,596.88/336,729.20
  6. Step 6: Final answer
    x = 268,102.33

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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.