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Finding the Fourth Proportional to 453,906.68, 625,038.90 and 443,836.28

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Solution

The fourth proportional to 453,906.68, 625,038.90 and 443,836.28 is: 611,171.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,906.68 : 625,038.90 = 443,836.28 : x
  2. Step 2: Convert to fraction form
    453,906.68/625,038.90 = 443,836.28/x
  3. Step 3: Cross multiply
    453,906.68x = 625,038.90 × 443,836.28
  4. Step 4: Simplify right side
    453,906.68x = 277,414,940,231.29
  5. Step 5: Solve for x
    x = 277,414,940,231.29/453,906.68
  6. Step 6: Final answer
    x = 611,171.75

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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.