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Finding the Fourth Proportional to 352,291.96, 486,159.06 and 191,150.56

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Solution

The fourth proportional to 352,291.96, 486,159.06 and 191,150.56 is: 263,785.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,291.96 : 486,159.06 = 191,150.56 : x
  2. Step 2: Convert to fraction form
    352,291.96/486,159.06 = 191,150.56/x
  3. Step 3: Cross multiply
    352,291.96x = 486,159.06 × 191,150.56
  4. Step 4: Simplify right side
    352,291.96x = 92,929,576,568.07
  5. Step 5: Solve for x
    x = 92,929,576,568.07/352,291.96
  6. Step 6: Final answer
    x = 263,785.69

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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.