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Finding the Fourth Proportional to 352,310.99, 486,182.76 and 214,439.96

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Solution

The fourth proportional to 352,310.99, 486,182.76 and 214,439.96 is: 295,923.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,310.99 : 486,182.76 = 214,439.96 : x
  2. Step 2: Convert to fraction form
    352,310.99/486,182.76 = 214,439.96/x
  3. Step 3: Cross multiply
    352,310.99x = 486,182.76 × 214,439.96
  4. Step 4: Simplify right side
    352,310.99x = 104,257,009,176.18
  5. Step 5: Solve for x
    x = 104,257,009,176.18/352,310.99
  6. Step 6: Final answer
    x = 295,923.24

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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.