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Finding the Fourth Proportional to 469,797.03, 648,320.49 and 254,940.75

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Solution

The fourth proportional to 469,797.03, 648,320.49 and 254,940.75 is: 351,818.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,797.03 : 648,320.49 = 254,940.75 : x
  2. Step 2: Convert to fraction form
    469,797.03/648,320.49 = 254,940.75/x
  3. Step 3: Cross multiply
    469,797.03x = 648,320.49 × 254,940.75
  4. Step 4: Simplify right side
    469,797.03x = 165,283,311,960.97
  5. Step 5: Solve for x
    x = 165,283,311,960.97/469,797.03
  6. Step 6: Final answer
    x = 351,818.55

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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.