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Finding the Fourth Proportional to 324,148.60, 447,383.62 and 193,334.65

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Solution

The fourth proportional to 324,148.60, 447,383.62 and 193,334.65 is: 266,836.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,148.60 : 447,383.62 = 193,334.65 : x
  2. Step 2: Convert to fraction form
    324,148.60/447,383.62 = 193,334.65/x
  3. Step 3: Cross multiply
    324,148.60x = 447,383.62 × 193,334.65
  4. Step 4: Simplify right side
    324,148.60x = 86,494,754,711.64
  5. Step 5: Solve for x
    x = 86,494,754,711.64/324,148.60
  6. Step 6: Final answer
    x = 266,836.74

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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.