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Finding the Fourth Proportional to 637,562.63, 879,836.43 and 351,082.04

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Solution

The fourth proportional to 637,562.63, 879,836.43 and 351,082.04 is: 484,493.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,562.63 : 879,836.43 = 351,082.04 : x
  2. Step 2: Convert to fraction form
    637,562.63/879,836.43 = 351,082.04/x
  3. Step 3: Cross multiply
    637,562.63x = 879,836.43 × 351,082.04
  4. Step 4: Simplify right side
    637,562.63x = 308,894,764,311.54
  5. Step 5: Solve for x
    x = 308,894,764,311.54/637,562.63
  6. Step 6: Final answer
    x = 484,493.21

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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.