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Finding the Fourth Proportional to 351,021.97, 484,256.44 and 205,754.10

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Solution

The fourth proportional to 351,021.97, 484,256.44 and 205,754.10 is: 283,850.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,021.97 : 484,256.44 = 205,754.10 : x
  2. Step 2: Convert to fraction form
    351,021.97/484,256.44 = 205,754.10/x
  3. Step 3: Cross multiply
    351,021.97x = 484,256.44 × 205,754.10
  4. Step 4: Simplify right side
    351,021.97x = 99,637,746,916.58
  5. Step 5: Solve for x
    x = 99,637,746,916.58/351,021.97
  6. Step 6: Final answer
    x = 283,850.46

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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.