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Finding the Fourth Proportional to 481,026.25, 663,771.03 and 325,661.51

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Solution

The fourth proportional to 481,026.25, 663,771.03 and 325,661.51 is: 449,382.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,026.25 : 663,771.03 = 325,661.51 : x
  2. Step 2: Convert to fraction form
    481,026.25/663,771.03 = 325,661.51/x
  3. Step 3: Cross multiply
    481,026.25x = 663,771.03 × 325,661.51
  4. Step 4: Simplify right side
    481,026.25x = 216,164,675,924.06
  5. Step 5: Solve for x
    x = 216,164,675,924.06/481,026.25
  6. Step 6: Final answer
    x = 449,382.29

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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.