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Finding the Fourth Proportional to 363,176.88, 544,767.68 and 126,524

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Solution

The fourth proportional to 363,176.88, 544,767.68 and 126,524 is: 189,786.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,176.88 : 544,767.68 = 126,524 : x
  2. Step 2: Convert to fraction form
    363,176.88/544,767.68 = 126,524/x
  3. Step 3: Cross multiply
    363,176.88x = 544,767.68 × 126,524
  4. Step 4: Simplify right side
    363,176.88x = 68,926,185,944.32
  5. Step 5: Solve for x
    x = 68,926,185,944.32/363,176.88
  6. Step 6: Final answer
    x = 189,786.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.