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Finding the Fourth Proportional to 578,857.27, 867,822.27 and 275,098.97

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Solution

The fourth proportional to 578,857.27, 867,822.27 and 275,098.97 is: 412,428.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,857.27 : 867,822.27 = 275,098.97 : x
  2. Step 2: Convert to fraction form
    578,857.27/867,822.27 = 275,098.97/x
  3. Step 3: Cross multiply
    578,857.27x = 867,822.27 × 275,098.97
  4. Step 4: Simplify right side
    578,857.27x = 238,737,012,620.06
  5. Step 5: Solve for x
    x = 238,737,012,620.06/578,857.27
  6. Step 6: Final answer
    x = 412,428.12

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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.