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Finding the Fourth Proportional to 339,415.68, 468,366.16 and 196,184.96

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Solution

The fourth proportional to 339,415.68, 468,366.16 and 196,184.96 is: 270,719.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,415.68 : 468,366.16 = 196,184.96 : x
  2. Step 2: Convert to fraction form
    339,415.68/468,366.16 = 196,184.96/x
  3. Step 3: Cross multiply
    339,415.68x = 468,366.16 × 196,184.96
  4. Step 4: Simplify right side
    339,415.68x = 91,886,396,364.95
  5. Step 5: Solve for x
    x = 91,886,396,364.95/339,415.68
  6. Step 6: Final answer
    x = 270,719.36

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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.