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Finding the Fourth Proportional to 325,998.67, 488,956.47 and 126,182.35

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Solution

The fourth proportional to 325,998.67, 488,956.47 and 126,182.35 is: 189,257.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,998.67 : 488,956.47 = 126,182.35 : x
  2. Step 2: Convert to fraction form
    325,998.67/488,956.47 = 126,182.35/x
  3. Step 3: Cross multiply
    325,998.67x = 488,956.47 × 126,182.35
  4. Step 4: Simplify right side
    325,998.67x = 61,697,676,432.30
  5. Step 5: Solve for x
    x = 61,697,676,432.30/325,998.67
  6. Step 6: Final answer
    x = 189,257.45

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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.