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Finding the Fourth Proportional to 675,441.48, 1,013,162 and 254,618.94

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Solution

The fourth proportional to 675,441.48, 1,013,162 and 254,618.94 is: 381,928.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,441.48 : 1,013,162 = 254,618.94 : x
  2. Step 2: Convert to fraction form
    675,441.48/1,013,162 = 254,618.94/x
  3. Step 3: Cross multiply
    675,441.48x = 1,013,162 × 254,618.94
  4. Step 4: Simplify right side
    675,441.48x = 257,970,234,488.28
  5. Step 5: Solve for x
    x = 257,970,234,488.28/675,441.48
  6. Step 6: Final answer
    x = 381,928.33

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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.