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Finding the Fourth Proportional to 576,469.14, 795,495.30 and 321,836.76

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Solution

The fourth proportional to 576,469.14, 795,495.30 and 321,836.76 is: 444,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,469.14 : 795,495.30 = 321,836.76 : x
  2. Step 2: Convert to fraction form
    576,469.14/795,495.30 = 321,836.76/x
  3. Step 3: Cross multiply
    576,469.14x = 795,495.30 × 321,836.76
  4. Step 4: Simplify right side
    576,469.14x = 256,019,629,947.23
  5. Step 5: Solve for x
    x = 256,019,629,947.23/576,469.14
  6. Step 6: Final answer
    x = 444,116.80

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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.