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Finding the Fourth Proportional to 469,788.86, 648,310.37 and 254,928.97

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Solution

The fourth proportional to 469,788.86, 648,310.37 and 254,928.97 is: 351,802.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,788.86 : 648,310.37 = 254,928.97 : x
  2. Step 2: Convert to fraction form
    469,788.86/648,310.37 = 254,928.97/x
  3. Step 3: Cross multiply
    469,788.86x = 648,310.37 × 254,928.97
  4. Step 4: Simplify right side
    469,788.86x = 165,273,093,880.97
  5. Step 5: Solve for x
    x = 165,273,093,880.97/469,788.86
  6. Step 6: Final answer
    x = 351,802.92

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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.