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Finding the Fourth Proportional to 329,855.82, 455,243.90 and 184,716.86

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Solution

The fourth proportional to 329,855.82, 455,243.90 and 184,716.86 is: 254,933.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,855.82 : 455,243.90 = 184,716.86 : x
  2. Step 2: Convert to fraction form
    329,855.82/455,243.90 = 184,716.86/x
  3. Step 3: Cross multiply
    329,855.82x = 455,243.90 × 184,716.86
  4. Step 4: Simplify right side
    329,855.82x = 84,091,223,742.15
  5. Step 5: Solve for x
    x = 84,091,223,742.15/329,855.82
  6. Step 6: Final answer
    x = 254,933.27

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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.