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Finding the Fourth Proportional to 451,649.81, 677,737.17 and 202,331.81

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Solution

The fourth proportional to 451,649.81, 677,737.17 and 202,331.81 is: 303,615.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,649.81 : 677,737.17 = 202,331.81 : x
  2. Step 2: Convert to fraction form
    451,649.81/677,737.17 = 202,331.81/x
  3. Step 3: Cross multiply
    451,649.81x = 677,737.17 × 202,331.81
  4. Step 4: Simplify right side
    451,649.81x = 137,127,790,004.72
  5. Step 5: Solve for x
    x = 137,127,790,004.72/451,649.81
  6. Step 6: Final answer
    x = 303,615.29

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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.