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Finding the Fourth Proportional to 330,993.31, 456,780.99 and 187,759.39

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Solution

The fourth proportional to 330,993.31, 456,780.99 and 187,759.39 is: 259,113.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,993.31 : 456,780.99 = 187,759.39 : x
  2. Step 2: Convert to fraction form
    330,993.31/456,780.99 = 187,759.39/x
  3. Step 3: Cross multiply
    330,993.31x = 456,780.99 × 187,759.39
  4. Step 4: Simplify right side
    330,993.31x = 85,764,920,046.00
  5. Step 5: Solve for x
    x = 85,764,920,046.00/330,993.31
  6. Step 6: Final answer
    x = 259,113.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.