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Finding the Fourth Proportional to 576,546.10, 795,635.16 and 321,906.40

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Solution

The fourth proportional to 576,546.10, 795,635.16 and 321,906.40 is: 444,231.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,546.10 : 795,635.16 = 321,906.40 : x
  2. Step 2: Convert to fraction form
    576,546.10/795,635.16 = 321,906.40/x
  3. Step 3: Cross multiply
    576,546.10x = 795,635.16 × 321,906.40
  4. Step 4: Simplify right side
    576,546.10x = 256,120,050,069.02
  5. Step 5: Solve for x
    x = 256,120,050,069.02/576,546.10
  6. Step 6: Final answer
    x = 444,231.69

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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.