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Finding the Fourth Proportional to 349,269.68, 481,782.12 and 213,241.52

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Solution

The fourth proportional to 349,269.68, 481,782.12 and 213,241.52 is: 294,145.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,269.68 : 481,782.12 = 213,241.52 : x
  2. Step 2: Convert to fraction form
    349,269.68/481,782.12 = 213,241.52/x
  3. Step 3: Cross multiply
    349,269.68x = 481,782.12 × 213,241.52
  4. Step 4: Simplify right side
    349,269.68x = 102,735,951,577.62
  5. Step 5: Solve for x
    x = 102,735,951,577.62/349,269.68
  6. Step 6: Final answer
    x = 294,145.06

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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.