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Finding the Fourth Proportional to 352,704.59, 486,735.84 and 191,562.78

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Solution

The fourth proportional to 352,704.59, 486,735.84 and 191,562.78 is: 264,358.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,704.59 : 486,735.84 = 191,562.78 : x
  2. Step 2: Convert to fraction form
    352,704.59/486,735.84 = 191,562.78/x
  3. Step 3: Cross multiply
    352,704.59x = 486,735.84 × 191,562.78
  4. Step 4: Simplify right side
    352,704.59x = 93,240,470,636.04
  5. Step 5: Solve for x
    x = 93,240,470,636.04/352,704.59
  6. Step 6: Final answer
    x = 264,358.54

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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.