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Finding the Fourth Proportional to 365,155.08, 547,863.83 and 321,327.60

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Solution

The fourth proportional to 365,155.08, 547,863.83 and 321,327.60 is: 482,106.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,155.08 : 547,863.83 = 321,327.60 : x
  2. Step 2: Convert to fraction form
    365,155.08/547,863.83 = 321,327.60/x
  3. Step 3: Cross multiply
    365,155.08x = 547,863.83 × 321,327.60
  4. Step 4: Simplify right side
    365,155.08x = 176,043,769,620.71
  5. Step 5: Solve for x
    x = 176,043,769,620.71/365,155.08
  6. Step 6: Final answer
    x = 482,106.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.