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Finding the Fourth Proportional to 2,988,576, 4,482,864 and 994,032

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Solution

The fourth proportional to 2,988,576, 4,482,864 and 994,032 is: 1,491,048

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,576 : 4,482,864 = 994,032 : x
  2. Step 2: Convert to fraction form
    2,988,576/4,482,864 = 994,032/x
  3. Step 3: Cross multiply
    2,988,576x = 4,482,864 × 994,032
  4. Step 4: Simplify right side
    2,988,576x = 4,456,110,267,648
  5. Step 5: Solve for x
    x = 4,456,110,267,648/2,988,576
  6. Step 6: Final answer
    x = 1,491,048

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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.