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Finding the Fourth Proportional to 349,133.88, 481,805.07 and 198,230.88

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Solution

The fourth proportional to 349,133.88, 481,805.07 and 198,230.88 is: 273,558.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,133.88 : 481,805.07 = 198,230.88 : x
  2. Step 2: Convert to fraction form
    349,133.88/481,805.07 = 198,230.88/x
  3. Step 3: Cross multiply
    349,133.88x = 481,805.07 × 198,230.88
  4. Step 4: Simplify right side
    349,133.88x = 95,508,643,014.56
  5. Step 5: Solve for x
    x = 95,508,643,014.56/349,133.88
  6. Step 6: Final answer
    x = 273,558.79

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1.5x scale

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.