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Finding the Fourth Proportional to 352,247.65, 486,102.68 and 191,102.69

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Solution

The fourth proportional to 352,247.65, 486,102.68 and 191,102.69 is: 263,722.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,247.65 : 486,102.68 = 191,102.69 : x
  2. Step 2: Convert to fraction form
    352,247.65/486,102.68 = 191,102.69/x
  3. Step 3: Cross multiply
    352,247.65x = 486,102.68 × 191,102.69
  4. Step 4: Simplify right side
    352,247.65x = 92,895,529,764.21
  5. Step 5: Solve for x
    x = 92,895,529,764.21/352,247.65
  6. Step 6: Final answer
    x = 263,722.21

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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.