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Finding the Fourth Proportional to 622,471.68, 933,649.92 and 173,199.36

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Solution

The fourth proportional to 622,471.68, 933,649.92 and 173,199.36 is: 259,783.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,471.68 : 933,649.92 = 173,199.36 : x
  2. Step 2: Convert to fraction form
    622,471.68/933,649.92 = 173,199.36/x
  3. Step 3: Cross multiply
    622,471.68x = 933,649.92 × 173,199.36
  4. Step 4: Simplify right side
    622,471.68x = 161,707,568,608.05
  5. Step 5: Solve for x
    x = 161,707,568,608.05/622,471.68
  6. Step 6: Final answer
    x = 259,783.01

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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.