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Finding the Fourth Proportional to 349,357.51, 482,086.80 and 196,371.39

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Solution

The fourth proportional to 349,357.51, 482,086.80 and 196,371.39 is: 270,977.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,357.51 : 482,086.80 = 196,371.39 : x
  2. Step 2: Convert to fraction form
    349,357.51/482,086.80 = 196,371.39/x
  3. Step 3: Cross multiply
    349,357.51x = 482,086.80 × 196,371.39
  4. Step 4: Simplify right side
    349,357.51x = 94,668,055,016.65
  5. Step 5: Solve for x
    x = 94,668,055,016.65/349,357.51
  6. Step 6: Final answer
    x = 270,977.59

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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.