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Finding the Fourth Proportional to 330,558.12, 456,167.88 and 179,655.12

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Solution

The fourth proportional to 330,558.12, 456,167.88 and 179,655.12 is: 247,922.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,558.12 : 456,167.88 = 179,655.12 : x
  2. Step 2: Convert to fraction form
    330,558.12/456,167.88 = 179,655.12/x
  3. Step 3: Cross multiply
    330,558.12x = 456,167.88 × 179,655.12
  4. Step 4: Simplify right side
    330,558.12x = 81,952,895,221.55
  5. Step 5: Solve for x
    x = 81,952,895,221.55/330,558.12
  6. Step 6: Final answer
    x = 247,922.80

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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.