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Finding the Fourth Proportional to 324,010.80, 447,113.88 and 178,817.88

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Solution

The fourth proportional to 324,010.80, 447,113.88 and 178,817.88 is: 246,757.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,010.80 : 447,113.88 = 178,817.88 : x
  2. Step 2: Convert to fraction form
    324,010.80/447,113.88 = 178,817.88/x
  3. Step 3: Cross multiply
    324,010.80x = 447,113.88 × 178,817.88
  4. Step 4: Simplify right side
    324,010.80x = 79,951,956,140.17
  5. Step 5: Solve for x
    x = 79,951,956,140.17/324,010.80
  6. Step 6: Final answer
    x = 246,757.07

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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.