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Finding the Fourth Proportional to 352,351.54, 486,245.12 and 191,206.58

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Solution

The fourth proportional to 352,351.54, 486,245.12 and 191,206.58 is: 263,865.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,351.54 : 486,245.12 = 191,206.58 : x
  2. Step 2: Convert to fraction form
    352,351.54/486,245.12 = 191,206.58/x
  3. Step 3: Cross multiply
    352,351.54x = 486,245.12 × 191,206.58
  4. Step 4: Simplify right side
    352,351.54x = 92,973,267,690.09
  5. Step 5: Solve for x
    x = 92,973,267,690.09/352,351.54
  6. Step 6: Final answer
    x = 263,865.08

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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.