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Finding the Fourth Proportional to 331,015.44, 456,810.16 and 187,797

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Solution

The fourth proportional to 331,015.44, 456,810.16 and 187,797 is: 259,164.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,015.44 : 456,810.16 = 187,797 : x
  2. Step 2: Convert to fraction form
    331,015.44/456,810.16 = 187,797/x
  3. Step 3: Cross multiply
    331,015.44x = 456,810.16 × 187,797
  4. Step 4: Simplify right side
    331,015.44x = 85,787,577,617.52
  5. Step 5: Solve for x
    x = 85,787,577,617.52/331,015.44
  6. Step 6: Final answer
    x = 259,164.88

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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.