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Finding the Fourth Proportional to 324,847.40, 486,579.90 and 269,551.40

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Solution

The fourth proportional to 324,847.40, 486,579.90 and 269,551.40 is: 403,753.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,847.40 : 486,579.90 = 269,551.40 : x
  2. Step 2: Convert to fraction form
    324,847.40/486,579.90 = 269,551.40/x
  3. Step 3: Cross multiply
    324,847.40x = 486,579.90 × 269,551.40
  4. Step 4: Simplify right side
    324,847.40x = 131,158,293,256.86
  5. Step 5: Solve for x
    x = 131,158,293,256.86/324,847.40
  6. Step 6: Final answer
    x = 403,753.56

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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.