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Finding the Fourth Proportional to 3,287,872.82, 4,932,300.09 and 1,013,208.14

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Solution

The fourth proportional to 3,287,872.82, 4,932,300.09 and 1,013,208.14 is: 1,519,963.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287,872.82 : 4,932,300.09 = 1,013,208.14 : x
  2. Step 2: Convert to fraction form
    3,287,872.82/4,932,300.09 = 1,013,208.14/x
  3. Step 3: Cross multiply
    3,287,872.82x = 4,932,300.09 × 1,013,208.14
  4. Step 4: Simplify right side
    3,287,872.82x = 4,997,446,616,241.01
  5. Step 5: Solve for x
    x = 4,997,446,616,241.01/3,287,872.82
  6. Step 6: Final answer
    x = 1,519,963.48

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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.