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Finding the Fourth Proportional to 441,456.80, 662,185.20 and 160,983.20

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Solution

The fourth proportional to 441,456.80, 662,185.20 and 160,983.20 is: 241,474.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,456.80 : 662,185.20 = 160,983.20 : x
  2. Step 2: Convert to fraction form
    441,456.80/662,185.20 = 160,983.20/x
  3. Step 3: Cross multiply
    441,456.80x = 662,185.20 × 160,983.20
  4. Step 4: Simplify right side
    441,456.80x = 106,600,692,488.64
  5. Step 5: Solve for x
    x = 106,600,692,488.64/441,456.80
  6. Step 6: Final answer
    x = 241,474.80

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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.