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Finding the Fourth Proportional to 324,096.75, 447,253.55 and 178,902.58

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Solution

The fourth proportional to 324,096.75, 447,253.55 and 178,902.58 is: 246,885.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,096.75 : 447,253.55 = 178,902.58 : x
  2. Step 2: Convert to fraction form
    324,096.75/447,253.55 = 178,902.58/x
  3. Step 3: Cross multiply
    324,096.75x = 447,253.55 × 178,902.58
  4. Step 4: Simplify right side
    324,096.75x = 80,014,814,009.16
  5. Step 5: Solve for x
    x = 80,014,814,009.16/324,096.75
  6. Step 6: Final answer
    x = 246,885.58

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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.