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Finding the Fourth Proportional to 441,040.87, 661,780.14 and 174,795.49

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Solution

The fourth proportional to 441,040.87, 661,780.14 and 174,795.49 is: 262,279.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,040.87 : 661,780.14 = 174,795.49 : x
  2. Step 2: Convert to fraction form
    441,040.87/661,780.14 = 174,795.49/x
  3. Step 3: Cross multiply
    441,040.87x = 661,780.14 × 174,795.49
  4. Step 4: Simplify right side
    441,040.87x = 115,676,183,843.57
  5. Step 5: Solve for x
    x = 115,676,183,843.57/441,040.87
  6. Step 6: Final answer
    x = 262,279.96

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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.