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Finding the Fourth Proportional to 328,872.63, 453,844.22 and 177,969.63

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Solution

The fourth proportional to 328,872.63, 453,844.22 and 177,969.63 is: 245,598.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,872.63 : 453,844.22 = 177,969.63 : x
  2. Step 2: Convert to fraction form
    328,872.63/453,844.22 = 177,969.63/x
  3. Step 3: Cross multiply
    328,872.63x = 453,844.22 × 177,969.63
  4. Step 4: Simplify right side
    328,872.63x = 80,770,487,911.04
  5. Step 5: Solve for x
    x = 80,770,487,911.04/328,872.63
  6. Step 6: Final answer
    x = 245,598.08

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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.