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Finding the Fourth Proportional to 599,499.92, 826,947.96 and 395,478.38

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Solution

The fourth proportional to 599,499.92, 826,947.96 and 395,478.38 is: 545,521.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,499.92 : 826,947.96 = 395,478.38 : x
  2. Step 2: Convert to fraction form
    599,499.92/826,947.96 = 395,478.38/x
  3. Step 3: Cross multiply
    599,499.92x = 826,947.96 × 395,478.38
  4. Step 4: Simplify right side
    599,499.92x = 327,040,039,565.11
  5. Step 5: Solve for x
    x = 327,040,039,565.11/599,499.92
  6. Step 6: Final answer
    x = 545,521.41

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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.