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Finding the Fourth Proportional to 576,546.60, 795,635.85 and 321,906.90

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Solution

The fourth proportional to 576,546.60, 795,635.85 and 321,906.90 is: 444,232.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,546.60 : 795,635.85 = 321,906.90 : x
  2. Step 2: Convert to fraction form
    576,546.60/795,635.85 = 321,906.90/x
  3. Step 3: Cross multiply
    576,546.60x = 795,635.85 × 321,906.90
  4. Step 4: Simplify right side
    576,546.60x = 256,120,670,002.37
  5. Step 5: Solve for x
    x = 256,120,670,002.37/576,546.60
  6. Step 6: Final answer
    x = 444,232.38

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1.5x scale

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.