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Finding the Fourth Proportional to 453,183.29, 679,793.39 and 186,918.44

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Solution

The fourth proportional to 453,183.29, 679,793.39 and 186,918.44 is: 280,385.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,183.29 : 679,793.39 = 186,918.44 : x
  2. Step 2: Convert to fraction form
    453,183.29/679,793.39 = 186,918.44/x
  3. Step 3: Cross multiply
    453,183.29x = 679,793.39 × 186,918.44
  4. Step 4: Simplify right side
    453,183.29x = 127,065,916,348.50
  5. Step 5: Solve for x
    x = 127,065,916,348.50/453,183.29
  6. Step 6: Final answer
    x = 280,385.26

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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.