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Finding the Fourth Proportional to 349,021.97, 481,637.50 and 213,283.11

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Solution

The fourth proportional to 349,021.97, 481,637.50 and 213,283.11 is: 294,322.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,021.97 : 481,637.50 = 213,283.11 : x
  2. Step 2: Convert to fraction form
    349,021.97/481,637.50 = 213,283.11/x
  3. Step 3: Cross multiply
    349,021.97x = 481,637.50 × 213,283.11
  4. Step 4: Simplify right side
    349,021.97x = 102,725,143,892.63
  5. Step 5: Solve for x
    x = 102,725,143,892.63/349,021.97
  6. Step 6: Final answer
    x = 294,322.86

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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.