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Finding the Fourth Proportional to 449,468.96, 674,086.78 and 179,585.86

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Solution

The fourth proportional to 449,468.96, 674,086.78 and 179,585.86 is: 269,332.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,468.96 : 674,086.78 = 179,585.86 : x
  2. Step 2: Convert to fraction form
    449,468.96/674,086.78 = 179,585.86/x
  3. Step 3: Cross multiply
    449,468.96x = 674,086.78 × 179,585.86
  4. Step 4: Simplify right side
    449,468.96x = 121,056,454,100.93
  5. Step 5: Solve for x
    x = 121,056,454,100.93/449,468.96
  6. Step 6: Final answer
    x = 269,332.18

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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.