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Finding the Fourth Proportional to 579,191.84, 868,778.45 and 179,833

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Solution

The fourth proportional to 579,191.84, 868,778.45 and 179,833 is: 269,746.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,191.84 : 868,778.45 = 179,833 : x
  2. Step 2: Convert to fraction form
    579,191.84/868,778.45 = 179,833/x
  3. Step 3: Cross multiply
    579,191.84x = 868,778.45 × 179,833
  4. Step 4: Simplify right side
    579,191.84x = 156,235,034,998.85
  5. Step 5: Solve for x
    x = 156,235,034,998.85/579,191.84
  6. Step 6: Final answer
    x = 269,746.61

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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.