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Finding the Fourth Proportional to 871,149.84, 1,305,999 and 758,553.36

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Solution

The fourth proportional to 871,149.84, 1,305,999 and 758,553.36 is: 1,137,198.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,149.84 : 1,305,999 = 758,553.36 : x
  2. Step 2: Convert to fraction form
    871,149.84/1,305,999 = 758,553.36/x
  3. Step 3: Cross multiply
    871,149.84x = 1,305,999 × 758,553.36
  4. Step 4: Simplify right side
    871,149.84x = 990,669,929,606.64
  5. Step 5: Solve for x
    x = 990,669,929,606.64/871,149.84
  6. Step 6: Final answer
    x = 1,137,198.08

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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.