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Finding the Fourth Proportional to 441,671.54, 662,493.18 and 185,639.75

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Solution

The fourth proportional to 441,671.54, 662,493.18 and 185,639.75 is: 278,453.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,671.54 : 662,493.18 = 185,639.75 : x
  2. Step 2: Convert to fraction form
    441,671.54/662,493.18 = 185,639.75/x
  3. Step 3: Cross multiply
    441,671.54x = 662,493.18 × 185,639.75
  4. Step 4: Simplify right side
    441,671.54x = 122,985,067,135.71
  5. Step 5: Solve for x
    x = 122,985,067,135.71/441,671.54
  6. Step 6: Final answer
    x = 278,453.69

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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.