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Finding the Fourth Proportional to 367,579.60, 550,640.40 and 323,742.40

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Solution

The fourth proportional to 367,579.60, 550,640.40 and 323,742.40 is: 484,971.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,579.60 : 550,640.40 = 323,742.40 : x
  2. Step 2: Convert to fraction form
    367,579.60/550,640.40 = 323,742.40/x
  3. Step 3: Cross multiply
    367,579.60x = 550,640.40 × 323,742.40
  4. Step 4: Simplify right side
    367,579.60x = 178,265,644,632.96
  5. Step 5: Solve for x
    x = 178,265,644,632.96/367,579.60
  6. Step 6: Final answer
    x = 484,971.54

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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.