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Finding the Fourth Proportional to 336,231.30, 504,930.15 and 178,767.30

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Solution

The fourth proportional to 336,231.30, 504,930.15 and 178,767.30 is: 268,461.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,231.30 : 504,930.15 = 178,767.30 : x
  2. Step 2: Convert to fraction form
    336,231.30/504,930.15 = 178,767.30/x
  3. Step 3: Cross multiply
    336,231.30x = 504,930.15 × 178,767.30
  4. Step 4: Simplify right side
    336,231.30x = 90,264,999,604.10
  5. Step 5: Solve for x
    x = 90,264,999,604.10/336,231.30
  6. Step 6: Final answer
    x = 268,461.03

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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.