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Finding the Fourth Proportional to 363,163.84, 544,748.18 and 126,511

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Solution

The fourth proportional to 363,163.84, 544,748.18 and 126,511 is: 189,767.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,163.84 : 544,748.18 = 126,511 : x
  2. Step 2: Convert to fraction form
    363,163.84/544,748.18 = 126,511/x
  3. Step 3: Cross multiply
    363,163.84x = 544,748.18 × 126,511
  4. Step 4: Simplify right side
    363,163.84x = 68,916,636,999.98
  5. Step 5: Solve for x
    x = 68,916,636,999.98/363,163.84
  6. Step 6: Final answer
    x = 189,767.34

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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.