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Finding the Fourth Proportional to 441,625.20, 662,437.80 and 161,251.80

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Solution

The fourth proportional to 441,625.20, 662,437.80 and 161,251.80 is: 241,877.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,625.20 : 662,437.80 = 161,251.80 : x
  2. Step 2: Convert to fraction form
    441,625.20/662,437.80 = 161,251.80/x
  3. Step 3: Cross multiply
    441,625.20x = 662,437.80 × 161,251.80
  4. Step 4: Simplify right side
    441,625.20x = 106,819,287,638.04
  5. Step 5: Solve for x
    x = 106,819,287,638.04/441,625.20
  6. Step 6: Final answer
    x = 241,877.70

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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.