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Finding the Fourth Proportional to 352,449.09, 486,366.66 and 191,300.67

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Solution

The fourth proportional to 352,449.09, 486,366.66 and 191,300.67 is: 263,987.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,449.09 : 486,366.66 = 191,300.67 : x
  2. Step 2: Convert to fraction form
    352,449.09/486,366.66 = 191,300.67/x
  3. Step 3: Cross multiply
    352,449.09x = 486,366.66 × 191,300.67
  4. Step 4: Simplify right side
    352,449.09x = 93,042,267,923.66
  5. Step 5: Solve for x
    x = 93,042,267,923.66/352,449.09
  6. Step 6: Final answer
    x = 263,987.82

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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.