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Finding the Fourth Proportional to 492,234.28, 679,283.29 and 265,879.78

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Solution

The fourth proportional to 492,234.28, 679,283.29 and 265,879.78 is: 366,914.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,234.28 : 679,283.29 = 265,879.78 : x
  2. Step 2: Convert to fraction form
    492,234.28/679,283.29 = 265,879.78/x
  3. Step 3: Cross multiply
    492,234.28x = 679,283.29 × 265,879.78
  4. Step 4: Simplify right side
    492,234.28x = 180,607,691,702.88
  5. Step 5: Solve for x
    x = 180,607,691,702.88/492,234.28
  6. Step 6: Final answer
    x = 366,914.09

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