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Finding the Fourth Proportional to 441,713.60, 662,743.20 and 161,259.20

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Solution

The fourth proportional to 441,713.60, 662,743.20 and 161,259.20 is: 241,951.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,713.60 : 662,743.20 = 161,259.20 : x
  2. Step 2: Convert to fraction form
    441,713.60/662,743.20 = 161,259.20/x
  3. Step 3: Cross multiply
    441,713.60x = 662,743.20 × 161,259.20
  4. Step 4: Simplify right side
    441,713.60x = 106,873,438,237.44
  5. Step 5: Solve for x
    x = 106,873,438,237.44/441,713.60
  6. Step 6: Final answer
    x = 241,951.89

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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.