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Finding the Fourth Proportional to 469,884.59, 648,446.96 and 255,027.23

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Solution

The fourth proportional to 469,884.59, 648,446.96 and 255,027.23 is: 351,940.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,884.59 : 648,446.96 = 255,027.23 : x
  2. Step 2: Convert to fraction form
    469,884.59/648,446.96 = 255,027.23/x
  3. Step 3: Cross multiply
    469,884.59x = 648,446.96 × 255,027.23
  4. Step 4: Simplify right side
    469,884.59x = 165,371,632,010.72
  5. Step 5: Solve for x
    x = 165,371,632,010.72/469,884.59
  6. Step 6: Final answer
    x = 351,940.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.