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Finding the Fourth Proportional to 324,374.77, 447,481.89 and 203,455.54

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Solution

The fourth proportional to 324,374.77, 447,481.89 and 203,455.54 is: 280,671.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,374.77 : 447,481.89 = 203,455.54 : x
  2. Step 2: Convert to fraction form
    324,374.77/447,481.89 = 203,455.54/x
  3. Step 3: Cross multiply
    324,374.77x = 447,481.89 × 203,455.54
  4. Step 4: Simplify right side
    324,374.77x = 91,042,668,451.47
  5. Step 5: Solve for x
    x = 91,042,668,451.47/324,374.77
  6. Step 6: Final answer
    x = 280,671.24

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1.5x scale

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.