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Finding the Fourth Proportional to 323,789.79, 486,104.83 and 248,962.27

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Solution

The fourth proportional to 323,789.79, 486,104.83 and 248,962.27 is: 373,766.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,789.79 : 486,104.83 = 248,962.27 : x
  2. Step 2: Convert to fraction form
    323,789.79/486,104.83 = 248,962.27/x
  3. Step 3: Cross multiply
    323,789.79x = 486,104.83 × 248,962.27
  4. Step 4: Simplify right side
    323,789.79x = 121,021,762,742.44
  5. Step 5: Solve for x
    x = 121,021,762,742.44/323,789.79
  6. Step 6: Final answer
    x = 373,766.45

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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.