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Finding the Fourth Proportional to 332,235.80, 498,426.60 and 163,836.80

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Solution

The fourth proportional to 332,235.80, 498,426.60 and 163,836.80 is: 245,791.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,235.80 : 498,426.60 = 163,836.80 : x
  2. Step 2: Convert to fraction form
    332,235.80/498,426.60 = 163,836.80/x
  3. Step 3: Cross multiply
    332,235.80x = 498,426.60 × 163,836.80
  4. Step 4: Simplify right side
    332,235.80x = 81,660,619,178.88
  5. Step 5: Solve for x
    x = 81,660,619,178.88/332,235.80
  6. Step 6: Final answer
    x = 245,791.15

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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.