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Finding the Fourth Proportional to 275,750.73, 412,356.27 and 262,298.61

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Solution

The fourth proportional to 275,750.73, 412,356.27 and 262,298.61 is: 392,240.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,750.73 : 412,356.27 = 262,298.61 : x
  2. Step 2: Convert to fraction form
    275,750.73/412,356.27 = 262,298.61/x
  3. Step 3: Cross multiply
    275,750.73x = 412,356.27 × 262,298.61
  4. Step 4: Simplify right side
    275,750.73x = 108,160,476,445.79
  5. Step 5: Solve for x
    x = 108,160,476,445.79/275,750.73
  6. Step 6: Final answer
    x = 392,240.04

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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.