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Finding the Fourth Proportional to 479,371.96, 661,535.67 and 264,512.17

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Solution

The fourth proportional to 479,371.96, 661,535.67 and 264,512.17 is: 365,028.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,371.96 : 661,535.67 = 264,512.17 : x
  2. Step 2: Convert to fraction form
    479,371.96/661,535.67 = 264,512.17/x
  3. Step 3: Cross multiply
    479,371.96x = 661,535.67 × 264,512.17
  4. Step 4: Simplify right side
    479,371.96x = 174,984,235,604.10
  5. Step 5: Solve for x
    x = 174,984,235,604.10/479,371.96
  6. Step 6: Final answer
    x = 365,028.10

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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.