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Finding the Fourth Proportional to 328,576.82, 453,436.50 and 177,673.82

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Solution

The fourth proportional to 328,576.82, 453,436.50 and 177,673.82 is: 245,190.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,576.82 : 453,436.50 = 177,673.82 : x
  2. Step 2: Convert to fraction form
    328,576.82/453,436.50 = 177,673.82/x
  3. Step 3: Cross multiply
    328,576.82x = 453,436.50 × 177,673.82
  4. Step 4: Simplify right side
    328,576.82x = 80,563,795,082.43
  5. Step 5: Solve for x
    x = 80,563,795,082.43/328,576.82
  6. Step 6: Final answer
    x = 245,190.14

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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.