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Finding the Fourth Proportional to 330,052, 455,472.32 and 179,149

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Solution

The fourth proportional to 330,052, 455,472.32 and 179,149 is: 247,225.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,052 : 455,472.32 = 179,149 : x
  2. Step 2: Convert to fraction form
    330,052/455,472.32 = 179,149/x
  3. Step 3: Cross multiply
    330,052x = 455,472.32 × 179,149
  4. Step 4: Simplify right side
    330,052x = 81,597,410,655.68
  5. Step 5: Solve for x
    x = 81,597,410,655.68/330,052
  6. Step 6: Final answer
    x = 247,225.92

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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.