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Finding the Fourth Proportional to 469,658.97, 648,131.31 and 254,800.62

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Solution

The fourth proportional to 469,658.97, 648,131.31 and 254,800.62 is: 351,625.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,658.97 : 648,131.31 = 254,800.62 : x
  2. Step 2: Convert to fraction form
    469,658.97/648,131.31 = 254,800.62/x
  3. Step 3: Cross multiply
    469,658.97x = 648,131.31 × 254,800.62
  4. Step 4: Simplify right side
    469,658.97x = 165,144,259,629.41
  5. Step 5: Solve for x
    x = 165,144,259,629.41/469,658.97
  6. Step 6: Final answer
    x = 351,625.90

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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.