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Finding the Fourth Proportional to 544,082.80, 816,124.20 and 376,121.20

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Solution

The fourth proportional to 544,082.80, 816,124.20 and 376,121.20 is: 564,181.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,082.80 : 816,124.20 = 376,121.20 : x
  2. Step 2: Convert to fraction form
    544,082.80/816,124.20 = 376,121.20/x
  3. Step 3: Cross multiply
    544,082.80x = 816,124.20 × 376,121.20
  4. Step 4: Simplify right side
    544,082.80x = 306,961,613,453.04
  5. Step 5: Solve for x
    x = 306,961,613,453.04/544,082.80
  6. Step 6: Final answer
    x = 564,181.80

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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.