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Finding the Fourth Proportional to 576,745.76, 795,910.80 and 322,106.56

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Solution

The fourth proportional to 576,745.76, 795,910.80 and 322,106.56 is: 444,507.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,745.76 : 795,910.80 = 322,106.56 : x
  2. Step 2: Convert to fraction form
    576,745.76/795,910.80 = 322,106.56/x
  3. Step 3: Cross multiply
    576,745.76x = 795,910.80 × 322,106.56
  4. Step 4: Simplify right side
    576,745.76x = 256,368,089,854.85
  5. Step 5: Solve for x
    x = 256,368,089,854.85/576,745.76
  6. Step 6: Final answer
    x = 444,507.97

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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.