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Finding the Fourth Proportional to 466,879.30, 644,267.01 and 275,910.46

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Solution

The fourth proportional to 466,879.30, 644,267.01 and 275,910.46 is: 380,740.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,879.30 : 644,267.01 = 275,910.46 : x
  2. Step 2: Convert to fraction form
    466,879.30/644,267.01 = 275,910.46/x
  3. Step 3: Cross multiply
    466,879.30x = 644,267.01 × 275,910.46
  4. Step 4: Simplify right side
    466,879.30x = 177,760,007,091.93
  5. Step 5: Solve for x
    x = 177,760,007,091.93/466,879.30
  6. Step 6: Final answer
    x = 380,740.82

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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.