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Finding the Fourth Proportional to 578,697.41, 798,593.68 and 324,057.71

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Solution

The fourth proportional to 578,697.41, 798,593.68 and 324,057.71 is: 447,194.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,697.41 : 798,593.68 = 324,057.71 : x
  2. Step 2: Convert to fraction form
    578,697.41/798,593.68 = 324,057.71/x
  3. Step 3: Cross multiply
    578,697.41x = 798,593.68 × 324,057.71
  4. Step 4: Simplify right side
    578,697.41x = 258,790,441,562.83
  5. Step 5: Solve for x
    x = 258,790,441,562.83/578,697.41
  6. Step 6: Final answer
    x = 447,194.74

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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.