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Finding the Fourth Proportional to 577,871.15, 797,418.81 and 323,173.13

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Solution

The fourth proportional to 577,871.15, 797,418.81 and 323,173.13 is: 445,954.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,871.15 : 797,418.81 = 323,173.13 : x
  2. Step 2: Convert to fraction form
    577,871.15/797,418.81 = 323,173.13/x
  3. Step 3: Cross multiply
    577,871.15x = 797,418.81 × 323,173.13
  4. Step 4: Simplify right side
    577,871.15x = 257,704,328,761.48
  5. Step 5: Solve for x
    x = 257,704,328,761.48/577,871.15
  6. Step 6: Final answer
    x = 445,954.66

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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.