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Finding the Fourth Proportional to 336,671.56, 505,007.92 and 269,630.00

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Solution

The fourth proportional to 336,671.56, 505,007.92 and 269,630.00 is: 404,445.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,671.56 : 505,007.92 = 269,630.00 : x
  2. Step 2: Convert to fraction form
    336,671.56/505,007.92 = 269,630.00/x
  3. Step 3: Cross multiply
    336,671.56x = 505,007.92 × 269,630.00
  4. Step 4: Simplify right side
    336,671.56x = 136,165,284,912.46
  5. Step 5: Solve for x
    x = 136,165,284,912.46/336,671.56
  6. Step 6: Final answer
    x = 404,445.46

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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.