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Finding the Fourth Proportional to 339,473.16, 468,420.93 and 196,205.58

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Solution

The fourth proportional to 339,473.16, 468,420.93 and 196,205.58 is: 270,733.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,473.16 : 468,420.93 = 196,205.58 : x
  2. Step 2: Convert to fraction form
    339,473.16/468,420.93 = 196,205.58/x
  3. Step 3: Cross multiply
    339,473.16x = 468,420.93 × 196,205.58
  4. Step 4: Simplify right side
    339,473.16x = 91,906,800,254.79
  5. Step 5: Solve for x
    x = 91,906,800,254.79/339,473.16
  6. Step 6: Final answer
    x = 270,733.63

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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.