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Finding the Fourth Proportional to 324,202.79, 447,367.62 and 178,999.15

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Solution

The fourth proportional to 324,202.79, 447,367.62 and 178,999.15 is: 247,001.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,202.79 : 447,367.62 = 178,999.15 : x
  2. Step 2: Convert to fraction form
    324,202.79/447,367.62 = 178,999.15/x
  3. Step 3: Cross multiply
    324,202.79x = 447,367.62 × 178,999.15
  4. Step 4: Simplify right side
    324,202.79x = 80,078,423,717.52
  5. Step 5: Solve for x
    x = 80,078,423,717.52/324,202.79
  6. Step 6: Final answer
    x = 247,001.03

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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.