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Finding the Fourth Proportional to 740,964.10, 1,040,149.10 and 740,964.10

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Solution

The fourth proportional to 740,964.10, 1,040,149.10 and 740,964.10 is: 1,040,149.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,964.10 : 1,040,149.10 = 740,964.10 : x
  2. Step 2: Convert to fraction form
    740,964.10/1,040,149.10 = 740,964.10/x
  3. Step 3: Cross multiply
    740,964.10x = 1,040,149.10 × 740,964.10
  4. Step 4: Simplify right side
    740,964.10x = 770,713,141,747.31
  5. Step 5: Solve for x
    x = 770,713,141,747.31/740,964.10
  6. Step 6: Final answer
    x = 1,040,149.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.