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Finding the Fourth Proportional to 328,082, 452,753.20 and 177,179

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Solution

The fourth proportional to 328,082, 452,753.20 and 177,179 is: 244,507.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,082 : 452,753.20 = 177,179 : x
  2. Step 2: Convert to fraction form
    328,082/452,753.20 = 177,179/x
  3. Step 3: Cross multiply
    328,082x = 452,753.20 × 177,179
  4. Step 4: Simplify right side
    328,082x = 80,218,359,222.80
  5. Step 5: Solve for x
    x = 80,218,359,222.80/328,082
  6. Step 6: Final answer
    x = 244,507.04

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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.