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Finding the Fourth Proportional to 324,005.20, 486,007.80 and 182,287.60

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Solution

The fourth proportional to 324,005.20, 486,007.80 and 182,287.60 is: 273,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,005.20 : 486,007.80 = 182,287.60 : x
  2. Step 2: Convert to fraction form
    324,005.20/486,007.80 = 182,287.60/x
  3. Step 3: Cross multiply
    324,005.20x = 486,007.80 × 182,287.60
  4. Step 4: Simplify right side
    324,005.20x = 88,593,195,443.28
  5. Step 5: Solve for x
    x = 88,593,195,443.28/324,005.20
  6. Step 6: Final answer
    x = 273,431.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.