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Finding the Fourth Proportional to 576,532.68, 795,562.74 and 321,837

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Solution

The fourth proportional to 576,532.68, 795,562.74 and 321,837 is: 444,105.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,532.68 : 795,562.74 = 321,837 : x
  2. Step 2: Convert to fraction form
    576,532.68/795,562.74 = 321,837/x
  3. Step 3: Cross multiply
    576,532.68x = 795,562.74 × 321,837
  4. Step 4: Simplify right side
    576,532.68x = 256,041,525,553.38
  5. Step 5: Solve for x
    x = 256,041,525,553.38/576,532.68
  6. Step 6: Final answer
    x = 444,105.83

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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.