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Finding the Fourth Proportional to 587,898.69, 811,299.57 and 333,249.89

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Solution

The fourth proportional to 587,898.69, 811,299.57 and 333,249.89 is: 459,884.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,898.69 : 811,299.57 = 333,249.89 : x
  2. Step 2: Convert to fraction form
    587,898.69/811,299.57 = 333,249.89/x
  3. Step 3: Cross multiply
    587,898.69x = 811,299.57 × 333,249.89
  4. Step 4: Simplify right side
    587,898.69x = 270,365,488,403.05
  5. Step 5: Solve for x
    x = 270,365,488,403.05/587,898.69
  6. Step 6: Final answer
    x = 459,884.49

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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.