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Finding the Fourth Proportional to 349,182.36, 481,912.80 and 196,220.88

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Solution

The fourth proportional to 349,182.36, 481,912.80 and 196,220.88 is: 270,807.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,182.36 : 481,912.80 = 196,220.88 : x
  2. Step 2: Convert to fraction form
    349,182.36/481,912.80 = 196,220.88/x
  3. Step 3: Cross multiply
    349,182.36x = 481,912.80 × 196,220.88
  4. Step 4: Simplify right side
    349,182.36x = 94,561,353,699.26
  5. Step 5: Solve for x
    x = 94,561,353,699.26/349,182.36
  6. Step 6: Final answer
    x = 270,807.93

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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.