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Finding the Fourth Proportional to 481,579.24, 722,416.56 and 178,053

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Solution

The fourth proportional to 481,579.24, 722,416.56 and 178,053 is: 267,097.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,579.24 : 722,416.56 = 178,053 : x
  2. Step 2: Convert to fraction form
    481,579.24/722,416.56 = 178,053/x
  3. Step 3: Cross multiply
    481,579.24x = 722,416.56 × 178,053
  4. Step 4: Simplify right side
    481,579.24x = 128,628,435,757.68
  5. Step 5: Solve for x
    x = 128,628,435,757.68/481,579.24
  6. Step 6: Final answer
    x = 267,097.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.