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Finding the Fourth Proportional to 327,405.51, 451,815.03 and 184,165.56

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Solution

The fourth proportional to 327,405.51, 451,815.03 and 184,165.56 is: 254,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,405.51 : 451,815.03 = 184,165.56 : x
  2. Step 2: Convert to fraction form
    327,405.51/451,815.03 = 184,165.56/x
  3. Step 3: Cross multiply
    327,405.51x = 451,815.03 × 184,165.56
  4. Step 4: Simplify right side
    327,405.51x = 83,208,768,016.37
  5. Step 5: Solve for x
    x = 83,208,768,016.37/327,405.51
  6. Step 6: Final answer
    x = 254,145.90

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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.