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Finding the Fourth Proportional to 578,859.27, 867,825.27 and 275,100.97

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Solution

The fourth proportional to 578,859.27, 867,825.27 and 275,100.97 is: 412,431.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,859.27 : 867,825.27 = 275,100.97 : x
  2. Step 2: Convert to fraction form
    578,859.27/867,825.27 = 275,100.97/x
  3. Step 3: Cross multiply
    578,859.27x = 867,825.27 × 275,100.97
  4. Step 4: Simplify right side
    578,859.27x = 238,739,573,567.51
  5. Step 5: Solve for x
    x = 238,739,573,567.51/578,859.27
  6. Step 6: Final answer
    x = 412,431.11

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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.