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Finding the Fourth Proportional to 331,171.56, 456,146.16 and 254,544.12

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Solution

The fourth proportional to 331,171.56, 456,146.16 and 254,544.12 is: 350,601.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,171.56 : 456,146.16 = 254,544.12 : x
  2. Step 2: Convert to fraction form
    331,171.56/456,146.16 = 254,544.12/x
  3. Step 3: Cross multiply
    331,171.56x = 456,146.16 × 254,544.12
  4. Step 4: Simplify right side
    331,171.56x = 116,109,322,888.58
  5. Step 5: Solve for x
    x = 116,109,322,888.58/331,171.56
  6. Step 6: Final answer
    x = 350,601.73

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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.