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Finding the Fourth Proportional to 517,675.97, 714,743.53 and 324,161.33

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Solution

The fourth proportional to 517,675.97, 714,743.53 and 324,161.33 is: 447,562.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,675.97 : 714,743.53 = 324,161.33 : x
  2. Step 2: Convert to fraction form
    517,675.97/714,743.53 = 324,161.33/x
  3. Step 3: Cross multiply
    517,675.97x = 714,743.53 × 324,161.33
  4. Step 4: Simplify right side
    517,675.97x = 231,692,208,909.57
  5. Step 5: Solve for x
    x = 231,692,208,909.57/517,675.97
  6. Step 6: Final answer
    x = 447,562.22

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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.