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Finding the Fourth Proportional to 599,500.92, 826,949.34 and 395,479.38

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Solution

The fourth proportional to 599,500.92, 826,949.34 and 395,479.38 is: 545,522.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,500.92 : 826,949.34 = 395,479.38 : x
  2. Step 2: Convert to fraction form
    599,500.92/826,949.34 = 395,479.38/x
  3. Step 3: Cross multiply
    599,500.92x = 826,949.34 × 395,479.38
  4. Step 4: Simplify right side
    599,500.92x = 327,041,412,274.61
  5. Step 5: Solve for x
    x = 327,041,412,274.61/599,500.92
  6. Step 6: Final answer
    x = 545,522.79

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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.