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Finding the Fourth Proportional to 349,057.90, 481,699.02 and 196,100.38

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Solution

The fourth proportional to 349,057.90, 481,699.02 and 196,100.38 is: 270,618.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,057.90 : 481,699.02 = 196,100.38 : x
  2. Step 2: Convert to fraction form
    349,057.90/481,699.02 = 196,100.38/x
  3. Step 3: Cross multiply
    349,057.90x = 481,699.02 × 196,100.38
  4. Step 4: Simplify right side
    349,057.90x = 94,461,360,867.63
  5. Step 5: Solve for x
    x = 94,461,360,867.63/349,057.90
  6. Step 6: Final answer
    x = 270,618.03

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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.