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Finding the Fourth Proportional to 329,996.81, 455,395.60 and 179,093.81

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Solution

The fourth proportional to 329,996.81, 455,395.60 and 179,093.81 is: 247,149.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,996.81 : 455,395.60 = 179,093.81 : x
  2. Step 2: Convert to fraction form
    329,996.81/455,395.60 = 179,093.81/x
  3. Step 3: Cross multiply
    329,996.81x = 455,395.60 × 179,093.81
  4. Step 4: Simplify right side
    329,996.81x = 81,558,534,423.59
  5. Step 5: Solve for x
    x = 81,558,534,423.59/329,996.81
  6. Step 6: Final answer
    x = 247,149.46

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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.