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Finding the Fourth Proportional to 453,879.86, 680,504.49 and 201,022.56

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Solution

The fourth proportional to 453,879.86, 680,504.49 and 201,022.56 is: 301,394.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,879.86 : 680,504.49 = 201,022.56 : x
  2. Step 2: Convert to fraction form
    453,879.86/680,504.49 = 201,022.56/x
  3. Step 3: Cross multiply
    453,879.86x = 680,504.49 × 201,022.56
  4. Step 4: Simplify right side
    453,879.86x = 136,796,754,671.29
  5. Step 5: Solve for x
    x = 136,796,754,671.29/453,879.86
  6. Step 6: Final answer
    x = 301,394.20

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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.