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Finding the Fourth Proportional to 469,067.60, 703,601.40 and 188,440.40

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Solution

The fourth proportional to 469,067.60, 703,601.40 and 188,440.40 is: 282,660.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,067.60 : 703,601.40 = 188,440.40 : x
  2. Step 2: Convert to fraction form
    469,067.60/703,601.40 = 188,440.40/x
  3. Step 3: Cross multiply
    469,067.60x = 703,601.40 × 188,440.40
  4. Step 4: Simplify right side
    469,067.60x = 132,586,929,256.56
  5. Step 5: Solve for x
    x = 132,586,929,256.56/469,067.60
  6. Step 6: Final answer
    x = 282,660.60

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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.