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Finding the Fourth Proportional to 468,882.76, 647,057.38 and 254,028.28

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Solution

The fourth proportional to 468,882.76, 647,057.38 and 254,028.28 is: 350,558.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,882.76 : 647,057.38 = 254,028.28 : x
  2. Step 2: Convert to fraction form
    468,882.76/647,057.38 = 254,028.28/x
  3. Step 3: Cross multiply
    468,882.76x = 647,057.38 × 254,028.28
  4. Step 4: Simplify right side
    468,882.76x = 164,370,873,302.71
  5. Step 5: Solve for x
    x = 164,370,873,302.71/468,882.76
  6. Step 6: Final answer
    x = 350,558.58

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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.