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Finding the Fourth Proportional to 366,173.10, 505,296.57 and 202,819.92

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Solution

The fourth proportional to 366,173.10, 505,296.57 and 202,819.92 is: 279,879.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,173.10 : 505,296.57 = 202,819.92 : x
  2. Step 2: Convert to fraction form
    366,173.10/505,296.57 = 202,819.92/x
  3. Step 3: Cross multiply
    366,173.10x = 505,296.57 × 202,819.92
  4. Step 4: Simplify right side
    366,173.10x = 102,484,209,903.67
  5. Step 5: Solve for x
    x = 102,484,209,903.67/366,173.10
  6. Step 6: Final answer
    x = 279,879.13

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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.