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Finding the Fourth Proportional to 479,371.57, 661,532.00 and 264,511.47

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Solution

The fourth proportional to 479,371.57, 661,532.00 and 264,511.47 is: 365,025.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,371.57 : 661,532.00 = 264,511.47 : x
  2. Step 2: Convert to fraction form
    479,371.57/661,532.00 = 264,511.47/x
  3. Step 3: Cross multiply
    479,371.57x = 661,532.00 × 264,511.47
  4. Step 4: Simplify right side
    479,371.57x = 174,982,802,930.23
  5. Step 5: Solve for x
    x = 174,982,802,930.23/479,371.57
  6. Step 6: Final answer
    x = 365,025.41

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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.