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Finding the Fourth Proportional to 492,250.50, 679,305.96 and 265,896

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Solution

The fourth proportional to 492,250.50, 679,305.96 and 265,896 is: 366,936.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,250.50 : 679,305.96 = 265,896 : x
  2. Step 2: Convert to fraction form
    492,250.50/679,305.96 = 265,896/x
  3. Step 3: Cross multiply
    492,250.50x = 679,305.96 × 265,896
  4. Step 4: Simplify right side
    492,250.50x = 180,624,737,540.16
  5. Step 5: Solve for x
    x = 180,624,737,540.16/492,250.50
  6. Step 6: Final answer
    x = 366,936.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.