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Finding the Fourth Proportional to 578,052.80, 797,716.44 and 323,403.92

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Solution

The fourth proportional to 578,052.80, 797,716.44 and 323,403.92 is: 446,299.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,052.80 : 797,716.44 = 323,403.92 : x
  2. Step 2: Convert to fraction form
    578,052.80/797,716.44 = 323,403.92/x
  3. Step 3: Cross multiply
    578,052.80x = 797,716.44 × 323,403.92
  4. Step 4: Simplify right side
    578,052.80x = 257,984,623,744.45
  5. Step 5: Solve for x
    x = 257,984,623,744.45/578,052.80
  6. Step 6: Final answer
    x = 446,299.41

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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.