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Finding the Fourth Proportional to 587,892.20, 811,303.44 and 333,243.39

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Solution

The fourth proportional to 587,892.20, 811,303.44 and 333,243.39 is: 459,882.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,892.20 : 811,303.44 = 333,243.39 : x
  2. Step 2: Convert to fraction form
    587,892.20/811,303.44 = 333,243.39/x
  3. Step 3: Cross multiply
    587,892.20x = 811,303.44 × 333,243.39
  4. Step 4: Simplify right side
    587,892.20x = 270,361,508,664.26
  5. Step 5: Solve for x
    x = 270,361,508,664.26/587,892.20
  6. Step 6: Final answer
    x = 459,882.80

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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.