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Finding the Fourth Proportional to 453,633.30, 680,422.59 and 200,839.86

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Solution

The fourth proportional to 453,633.30, 680,422.59 and 200,839.86 is: 301,247.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,633.30 : 680,422.59 = 200,839.86 : x
  2. Step 2: Convert to fraction form
    453,633.30/680,422.59 = 200,839.86/x
  3. Step 3: Cross multiply
    453,633.30x = 680,422.59 × 200,839.86
  4. Step 4: Simplify right side
    453,633.30x = 136,655,977,716.44
  5. Step 5: Solve for x
    x = 136,655,977,716.44/453,633.30
  6. Step 6: Final answer
    x = 301,247.68

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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.