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Finding the Fourth Proportional to 579,281.52, 799,180.43 and 361,363.38

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Solution

The fourth proportional to 579,281.52, 799,180.43 and 361,363.38 is: 498,539.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,281.52 : 799,180.43 = 361,363.38 : x
  2. Step 2: Convert to fraction form
    579,281.52/799,180.43 = 361,363.38/x
  3. Step 3: Cross multiply
    579,281.52x = 799,180.43 × 361,363.38
  4. Step 4: Simplify right side
    579,281.52x = 288,794,541,414.65
  5. Step 5: Solve for x
    x = 288,794,541,414.65/579,281.52
  6. Step 6: Final answer
    x = 498,539.19

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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.