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Finding the Fourth Proportional to 446,562.42, 616,103.73 and 276,734.58

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Solution

The fourth proportional to 446,562.42, 616,103.73 and 276,734.58 is: 381,799.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,562.42 : 616,103.73 = 276,734.58 : x
  2. Step 2: Convert to fraction form
    446,562.42/616,103.73 = 276,734.58/x
  3. Step 3: Cross multiply
    446,562.42x = 616,103.73 × 276,734.58
  4. Step 4: Simplify right side
    446,562.42x = 170,497,206,957.98
  5. Step 5: Solve for x
    x = 170,497,206,957.98/446,562.42
  6. Step 6: Final answer
    x = 381,799.27

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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.