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Finding the Fourth Proportional to 324,641.73, 447,997.76 and 177,460.05

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Solution

The fourth proportional to 324,641.73, 447,997.76 and 177,460.05 is: 244,890.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,641.73 : 447,997.76 = 177,460.05 : x
  2. Step 2: Convert to fraction form
    324,641.73/447,997.76 = 177,460.05/x
  3. Step 3: Cross multiply
    324,641.73x = 447,997.76 × 177,460.05
  4. Step 4: Simplify right side
    324,641.73x = 79,501,704,825.88
  5. Step 5: Solve for x
    x = 79,501,704,825.88/324,641.73
  6. Step 6: Final answer
    x = 244,890.59

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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.